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RFEW49K6–Persistent fetal kidney due to anastomoses between renal artery and vein, vintage engraved illustration.
RF2BTGRBR–Represents the communications or anastomoses of different arteries and the fine terminal twigs given off from the larger trunks; these twigs end in th
RMHMWYNA–Anastomoses: Joined veins on the lamallae of a Meadow waxcap, Meadow waxy cap, Salmon waxy cap or Butter meadowcap (Hygrophorus pratensis), Hygrophoraceae.
RMW270PX–Archive image from page 30 of Cytology, with special reference to. Cytology, with special reference to the metazoan nucleus cytologywithspec00agar 0 Year: 1920 I THE CHROMOSOMES 15 nucleus is formed by the intertwining of these threads, which at the same time become irregular and broken up (as regards the chromatin ; the linin basis of the threads remains continuous) and connected with each other by anastomoses. Prophase consists of the reverse process. There are two variations on this view : (a) Two threads are formed from each chromosome, and hence the prophase chromosomes are from the fir
RM2AJ93KP–Atlas and text-book of topographic and applied anatomy . The continuation of the artery or the anterior branch, usuallydesignated simply as the intercostal artery, runs in the intercostal groove along the inferior border ofthe rib, at first being covered only by the pleura, and then passes anteriorly between the internaland external intercostal muscles; it sends a small branch to the upper border of the ribbelow, gives off cutaneous branches which appear externally (with mammary branches, see page94), and anastomoses with the anterior intercostal branches of the internal mammary artery. 3. The
RMPFN5KC–. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. NERVOUS CENTRES. (HUMAN ANATOMY. THE MENINCES.) 635 The surface of each choroid plexus presents many slight projections or folds resembling villi, in which are contained loops and plexi- form anastomoses of minute vessels, very si- milar to the arrangement of the vessels of the villous processes of the chorion of the ovum, or those of the tufts of the placenta. These vessels are surrounded by an epithelium which has much the appearance of that of serous membranes. From the great number of these vessels and from the delic
RMMA7736–. Elementary anatomy and physiology : for colleges, academies, and other schools . Auditory Nerve taken out of the Cochlea. 1,1,1, Trunk of the Nerve. 2, 2, Its fila- ments in the Zona Ossea of the Lamina Spiralis. 3, 3, Its Anastomoses in the Zona Vesi- cularis. other the vestibular, since it enters the vestibule, a portion of the labyrinth. Besides this a branch of the facial nerve en- ters the ear in company with the auditory. 719. Location of the Internal Ear.—In man and all the higher animals there are two separate organs of hearing, Describe the cochlea. What are the semicircular canals?
RMW9H9CP–Archive image from page 1071 of Cunningham's Text-book of anatomy (1914). Cunningham's Text-book of anatomy cunninghamstextb00cunn Year: 1914 ( Fig. 834.—Schema of the Development of the Primitive Cerebral Veins and Cranial Blood Sinuses. A, side view ; B, dorsal view. Stage i. (After Mall, modified.) Each anterior cardinal vein may be separated into two parts—the intra-cranial and the extra- cranial. From the intra-cranial portions and their associated tributaries and anastomoses are developed some of the cranial blood sinuses and their tributaries; and from the extra-cranial portions and th
RM2AFHHRY–. Human physiology. Connexion of Lobules of Liver with He-patic Vein. 1. Hepatic vein. 2, 2, 2. Lobules, each con-taining an intralobular or hepatic twig. )30 SECRETION their substance and are supposed to subdivirle into minute branches,which by anastomoses with each other form the reticulated plexus de-picted in Fig. 160, called by Mr. Kiernan the lobular biliary plexus. Fi!?. 158. Fig. 159..
RMPFY9HB–. Cunningham's Text-book of anatomy. Anatomy. THE ANTEKIOK TIBIAL AETEEY. 957 (7) The lateral anterior malleolar branch, more constant and larger than the medial, passes laterally, posterior to the extensor digitorum longus and peronseus tertius, towards the lateral malleolus. It anastomoses with the perforating branch of the peronseal artery and with the tarsal artery, and supplies the ankle-joint and the adjacent articulations. Dorsalis Pedis Artery.—The dorsal artery of the foot is the direct continuation of the anterior tibial; it commences opposite the front of the ankle-joint, and extend
RMW9H9AG–Archive image from page 1076 of Cunningham's Text-book of anatomy (1914). Cunningham's Text-book of anatomy cunninghamstextb00cunn Year: 1914 ( THE SEGMENTAL AETEEIES AND THEIE ANASTOMOSES. 1043 So.SA. 'V 4 V 4 The segmental arteries and veins form a series of bilaterally symmetrical vessels, each of which is united to the vessels of adjacent segments by intersegmental channels, which anastomose with one another, through the portions of the segmental vessels which they connect together, and thus form longi- tudinal trunks. The longitudinal trunks are mainly, though not exclusively, in- terseg
![Atlas and text-book of topographic and applied anatomy . l. The subscapular artery divides into two chiefbranches, the dorsalis scapulae and the thoracicodorsalis [the continuation of the subscapular].The dorsalis scapula: runs over the external border of the scapula to the dorsal surface of this bone,supplies the surrounding muscles, and anastomoses freely with the suprascapular branch of thesubclavian. This is the main path for the collateral circulation when the blood-current in theaxillary artery is interfered with or when this vessel is ligated. The thoracicodorsalis is the largestvessel Stock Photo](https://c8.alamy.com/comp/2AJ9697/atlas-and-text-book-of-topographic-and-applied-anatomy-l-the-subscapular-artery-divides-into-two-chiefbranches-the-dorsalis-scapulae-and-the-thoracicodorsalis-the-continuation-of-the-subscapular-the-dorsalis-scapula-runs-over-the-external-border-of-the-scapula-to-the-dorsal-surface-of-this-bonesupplies-the-surrounding-muscles-and-anastomoses-freely-with-the-suprascapular-branch-of-thesubclavian-this-is-the-main-path-for-the-collateral-circulation-when-the-blood-current-in-theaxillary-artery-is-interfered-with-or-when-this-vessel-is-ligated-the-thoracicodorsalis-is-the-largestvessel-2AJ9697.jpg "Atlas and text-book of topographic and applied anatomy . l. The subscapular artery divides into two chiefbranches, the dorsalis scapulae and the thoracicodorsalis [the continuation of the subscapular].The dorsalis scapula: runs over the external border of the scapula to the dorsal surface of this bone,supplies the surrounding muscles, and anastomoses freely with the suprascapular branch of thesubclavian. This is the main path for the collateral circulation when the blood-current in theaxillary artery is interfered with or when this vessel is ligated. The thoracicodorsalis is the largestvessel Stock Photo")
RM2AJ9697–Atlas and text-book of topographic and applied anatomy . l. The subscapular artery divides into two chiefbranches, the dorsalis scapulae and the thoracicodorsalis [the continuation of the subscapular].The dorsalis scapula: runs over the external border of the scapula to the dorsal surface of this bone,supplies the surrounding muscles, and anastomoses freely with the suprascapular branch of thesubclavian. This is the main path for the collateral circulation when the blood-current in theaxillary artery is interfered with or when this vessel is ligated. The thoracicodorsalis is the largestvessel
RMPFXT6C–. Cunningham's Text-book of anatomy. Anatomy. THE SEGMENTAL ARTERIES AND THEIR ANASTOMOSES. 1045. branches of the somatic segmental arteries persist as the internal mammary and superior and inferior epigastric arteries. The lateral offsets of the ventral branches are represented by the cutaneous arteries which accompany the lateral cutaneous branches of the spinal nerves, and the lateral branch of the seventh somatic intersegmental artery forms the greater part of the arterial stem of the upper limb. The post-costal and post-trans- verse anastomoses usually disappear in the thoracic and lumbar
RMW1WARY–Archive image from page 648 of The cyclopædia of anatomy and. The cyclopædia of anatomy and physiology cyclopdiaofana03todd Year: 1847 NERVOUS CENTRES. (HUMAN ANATOMY. THE MENINCES.) 635 The surface of each choroid plexus presents many slight projections or folds resembling villi, in which are contained loops and plexi- form anastomoses of minute vessels, very si- milar to the arrangement of the vessels of the villous processes of the chorion of the ovum, or those of the tufts of the placenta. These vessels are surrounded by an epithelium which has much the appearance of that of serous membra
RM2AWJ1C5–The student's guide to diseases of the eye . 32). At the disc anas-tomoses, chiefly capillary, are formed between thevessels of the retina and those of the choroid andsclerotic. As no other anastomoses are formed by thevessels of the retina, the retinal circulation beyondthe disc is terminal; and, further, as the vesselsbranch dichotomously, and the branches anastomoseonly by means of their capillaries, the circulation of 182 DISEASES OF THE RETINA each considerable branch is terminal also. Thecapillaries, which are not visible by the ophthalmo-scope, are narrower and less abundant than those
RMPFK93N–. Cytology, with special reference to the metazoan nucleus. Cells. THE CHROMOSOMES 15 nucleus is formed by the intertwining of these threads, which at the same time become irregular and broken up (as regards the chromatin ; the linin basis of the threads remains continuous) and connected with each other by anastomoses. Prophase consists of the reverse process. There are two variations on this view : (a) Two threads are formed from each chromosome, and hence the prophase chromosomes are from the first double, and even the resting nucleus is duplex as regards its chromatin constituents. Accordin
RMW1CT4T–Archive image from page 744 of Dictionnaire de physiologie (1907). Dictionnaire de physiologie . dictionnairedeph07rich Year: 1907 GRAISSES. 731 comprend l'Ãpanouissement complet des rÃseaux limbiformes que nous avons ÃtudiÃs aux premières phases du dÃveloppement. Des rameaux artÃriels et veineux sont logÃs dans les sillons qui sÃparent les uns des autres les pelotons et englobÃs dans les ÃlÃments mi;mes de la trame conjonctive. Leurs divisions reprÃsentent par leurs anastomoses des rÃsea,ux capillaires qui enserrent dans leurs mailles un plus ou moins grand nombre de vÃsicules adipeuses.
RM2AJ7NWX–Manual of human histology . amifications, the larger of which proceed towards the an-terior margin of the organ, the smaller towards the posterior,forming no anastomoses with those of other principal branches.When they have diminished to the diameter of —j^, theyseparate from the veins, which till then had run in the samesheath with them, and become connected by branches ofOOl—002, with the Malpighian corpuscles in the mannerwhich has been described above; perhaps, also, sending finebranches into their interior (see § 167). Then, often closelyapplied to the surface of the corpuscles, but, so
RMPFK8P9–. Cytology, with special reference to the metazoan nucleus. Cells; Cytology. THE CHROMOSOMES 15 nucleus is formed by the intertwining of these threads, which at the same time become irregular and broken up (as regards the chromatin ; the linin basis of the threads remains continuous) and connected with each other by anastomoses. Prophase consists of the reverse process. There are two variations on this view : (a) Two threads are formed from each chromosome, and hence the prophase chromosomes are from the first double, and even the resting nucleus is duplex as regards its chromatin constituents
RMW1B5NM–Archive image from page 32 of Dictionnaire de physiologie (1913). Dictionnaire de physiologie . dictionnairedeph1001rich Year: 1913 LAPIN. 27 lieu d'artère libiale postÃrieure. A la plante du pied est une arcade plantaire profonde donnant des rameaux pour les orteils. Des anastomoses directes des petites artères dans les veines ont Ãtà de'crites à la partie externe de l'oreille, au museau, au pÃnis, et aux dernières phalanges des doigts. FiG. 5. â RÃgion antÃrieure du cou, d'après Schneider. 1, artère maxillaire externe ; 2, muscle mj'lohyoïdien : 3, muscle massÃter ; 4, muscle ptër
RM2AKAW1C–The Anatomy and Morphology of the Leaves and Inflorescences of Welwitschia mirabilis . the peduncle below. Occasional branching and fusiontake place among the main bundles at all levels. It may be of some interest to compare these diagrams with sections obtained fromsuch stems of the MeduUoseaef as Coliooxylon. The waved outline of the steles inthis genus and their occasional anastomoses are points of comparison with the bundlesin the Welwiischia peduncle. On the other hand, the orientation of xylem andphloem in the two forms is, of course, different. E. The Female Flower. Each female flower i
RMPFXT69–. Cunningham's Text-book of anatomy. Anatomy. branches of the somatic segmental arteries persist as the internal mammary and superior and inferior epigastric arteries. The lateral offsets of the ventral branches are represented by the cutaneous arteries which accompany the lateral cutaneous branches of the spinal nerves, and the lateral branch of the seventh somatic intersegmental artery forms the greater part of the arterial stem of the upper limb. The post-costal and post-trans- verse anastomoses usually disappear in the thoracic and lumbar regions, but the post-costal anastomoses occasional
RMT03FWE–Elementary text-book of zoology . elementarytextbo0101clau Year: 1884 218 CCELENTEBATA. In this case the canal system, in which the modifications before described for each individual Sponge are repeated, becomes more complex, partly through the formation of anastomoses, and partly because irregular gaps and winding passages make their appearance between the fused branches of the stock and form spaces which lead into the ciliated cavities. Reproduction takes* place mainly asexually by fission and the production of germs or gemmules, but also by the formation of ova and sperm capsules. The gemm
RM2AMYH8W–The dissector's guide, or, Student's companion : illustrated by numerous woodcuts, clearly exhibiting and explaining the dissection of every part of the human body . fascia, freely anastomoses withthe deep-seated palmar arch, the two arches embracing thetendons of the flexor sublimis and profundus, the lumbricales,and the branches of the median and ulnar nerves. By thesefree inosculations, the blood is enabled to circulate in everypart of the hand or arm, by the free union of the vessels, incase any of the arteries become obliterated ; and should anyof the arteries be divided by accidental cau
RMPFK9EN–. Cytology, with special reference to the metazoan nucleus. Cells. I THE CHROMOSOMES 15 nucleus is formed by the intertwining of these threads, which at the same time become irregular and broken up (as regards the chromatin ; the linin basis of the threads remains continuous) and connected with each other by anastomoses. Prophase consists of the reverse process. There are two variations on this view : (a) Two threads are formed from each chromosome, and hence the prophase chromosomes are from the first double, and even the resting nucleus is duplex as regards its chromatin constituents. Accord
RMT0D341–Elementary text-book of zoology, general Elementary text-book of zoology, general part and special part: protozoa to insecta elementarytextbo00clau Year: 1892 3S7 and an inner layer of longitudinal fibres. Tlie latter are connected with the former and also amongst themselves by net-like anastomoses. These dermal muscles cause the folds of the cuticle. Internally to the longitudinal muscles there is another layer of circular muscles. In the Chcetifera two hooked setce are present near the genital opening (fig, 311); these assist locomotion. There may also be present one or two circles of setfe
![Practical human anatomy [electronic resource] : a working-guide for students of medicine and a ready-reference for surgeons and physicians . rnal) abdominalring, superiorly and internally, to where it enters the sheathof the rectus abdominis muscle—about on the bis-iliac line.Within the sheath it passes superiorly, through the containedmuscle, and anastomoses with the superior epigastric artery ;the latter artery is one of the terminal branches of the internalmammary artery, which enters the superior part of the rectusmuscle, from the thorax. Dissection.—Slit up the internal spermatic (infundi Stock Photo](https://c8.alamy.com/comp/2AX7RW5/practical-human-anatomy-electronic-resource-a-working-guide-for-students-of-medicine-and-a-ready-reference-for-surgeons-and-physicians-rnal-abdominalring-superiorly-and-internally-to-where-it-enters-the-sheathof-the-rectus-abdominis-muscleabout-on-the-bis-iliac-linewithin-the-sheath-it-passes-superiorly-through-the-containedmuscle-and-anastomoses-with-the-superior-epigastric-artery-the-latter-artery-is-one-of-the-terminal-branches-of-the-internalmammary-artery-which-enters-the-superior-part-of-the-rectusmuscle-from-the-thorax-dissectionslit-up-the-internal-spermatic-infundi-2AX7RW5.jpg "Practical human anatomy [electronic resource] : a working-guide for students of medicine and a ready-reference for surgeons and physicians . rnal) abdominalring, superiorly and internally, to where it enters the sheathof the rectus abdominis muscle—about on the bis-iliac line.Within the sheath it passes superiorly, through the containedmuscle, and anastomoses with the superior epigastric artery ;the latter artery is one of the terminal branches of the internalmammary artery, which enters the superior part of the rectusmuscle, from the thorax. Dissection.—Slit up the internal spermatic (infundi Stock Photo")
RM2AX7RW5–Practical human anatomy [electronic resource] : a working-guide for students of medicine and a ready-reference for surgeons and physicians . rnal) abdominalring, superiorly and internally, to where it enters the sheathof the rectus abdominis muscle—about on the bis-iliac line.Within the sheath it passes superiorly, through the containedmuscle, and anastomoses with the superior epigastric artery ;the latter artery is one of the terminal branches of the internalmammary artery, which enters the superior part of the rectusmuscle, from the thorax. Dissection.—Slit up the internal spermatic (infundi
RMPFXT6Y–. Cunningham's Text-book of anatomy. Anatomy. THE SEGMENTAL AETEEIES AND THEIE ANASTOMOSES. 1043 So.SA. 'V 4 *V 4 The segmental arteries and veins form a series of bilaterally symmetrical vessels, each of which is united to the vessels of adjacent segments by intersegmental channels, which anastomose with one another, through the portions of the segmental vessels which they connect together, and thus form longi- tudinal trunks. The longitudinal trunks are mainly, though not exclusively, in- tersegmental. From them the main stem vessels of the indi- vidual are formed, and from or to these latte
RMT03FWF–Elementary text-book of zoology, general part and special part: protozoa to insecta . elementarytextbo00clau Year: 1892 218 C(ELEXTEEATA. In this case the canal system, in which the modifications before described for each individual Sponge are repeated, becomes more complex, partly through the foi-mation of anastomoses, and partly because irregular gaps and winding pas-sages make their appearance between the fused branches of the stock and form spaces which lead into the ciliated cavities. Reproduction takes place mainly asexually by fission and the production of germs or gemmules, but also b
RM2ANC2FT–Human anatomy, including structure and development and practical considerations . above theboundary line. Vessels may be receied also from the sacra media. The middlehemorrhoidal arteries, of uncertain origin and distribution, rarely give any consider-able supply to the gut. The inferior hemorrhoidals—two or three small branchesfrom the internal pudic—supply chiefly the external sphincter, but also form a num-ber of fine anastomoses with the superior hemorrhoidal artery. The general dis-tribution of the veiiis is not very different from that of the arteries. The superiorhemorrhoidal veins, tr
RMPFA7WE–. The development of the chick; an introduction to embryology. Birds -- Embryology. Fig. 137. — Part of a septum of the yolk-sac. Injected. 20 days' incuba- tion. The free edge is above. (After Popoff.) Ar., Artery. St., Stomata. V. an., Longitudinal anastomoses of venous network. V., vein.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Lillie, Frank Rattray, 1870-1947. New York, Holt
RMRWRCA2–Elements of comparative anatomy (1878) Elements of comparative anatomy elementsofcompar00gege Year: 1878 170 COMPARATIVE ANATOMY. vascular ramifications. A breaking-up such, as affects the parietal transverse anastomoses in the gills, may affect also the longitudinal trunks, which then take the form of a continuous network of vessels, from which new passages are developed. The pheno- mena, which give rise to a collateral circulation, must also furnish us with the explanation of these relations. Thus in Poly- ophthalmus the median trunk is broken up along the course of the mid-gut. Two dorsal
RM2AJ9GE8–Atlas and text-book of topographic and applied anatomy . vein, the larger of the two,is situated at first at the inner side of the orbit; it passes outward between the optic nerve and thesuperior rectus and empties into the cavernous sinus through the sphenoidal fissure. At theinner canthus this vessel anastomoses with the angular vein (from the facial) and with the frontalvein (see Plate 2). The injerior ophthalmic vein arises in the central portion of the floor of theorbit and empties partly through the sphenoidal fissure into the cavernous sinus and partlythrough the spheno-maxillary fissur
RMPG1AF4–. The anatomy of the domestic fowl . Domestic animals; Veterinary medicine; Poultry. ANGIOLOGY 225 do not take their origin from the aorta in numerous and regular branches as in mammals; they consist originally of but few vessels, which are multiplied by anastomoses with each other and with the arteries which come out of the spinal canal. An arterial plexus is thus formed around the head of each rib, from which a vessel is sent to each of the intercostal muscles and ribs and are continued. Fig. 63.—The vascular system injected, i, The heart. 2, The posterior aorta. 3, The right brachiocephalic
RMRWRFF7–Elementary text-book of zoology, tr Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote elementarytextbo01clau Year: 1892-1893 218 CCELEKTEEATA. In this case the canal system, in which the modifications before described for each individual Sponge are repeated, becomes more complex, partly through the formation of anastomoses, and partly because irregular gaps and winding passages make their appearance between the fused branches of the stock and form spaces which lead into the ciliated cavities. Reproduction takes place mainly asexually by fiss
RM2AWE2DF–The development of the human body; a manual of human embryology . eveloping a cross-connection with its fellow, degen-erates at its anterior end, and, so becoming separatedfrom the ductus Cuvieri, is transformed into the venahemiazygos of adult anatomy (Fig. 150, B and C, vha). The ascending lumbar veins, frequently described as thecommencements of the azygos veins, are in reality secondaryformations developed by the anastomoses of anteriorly andposteriorly directed branches of the lumbar veins. THE VEINS. 287 The Development of the Veins of the Limbs.—The devel-opment of the limb veins of the
RMPG1F81–. Comparative morphology and biology of the fungi, mycetozoa and bacteria . Plant morphology; Fungi; Myxomycetes; Bacteriology. CH. VIII.—MORPHOLOGY AND COURSE OF DEVELOPMENT.—MrXOMYCETES. 437 septate tube separating into countless branches, which form a net-work by their anastomoses. The thick homogeneous wall has the same colour as the sporangium- membrane, and its outer surface is usually furnished with projections which take the form either of small spikes or warts, or of annular or semi-annular transverse ridges according to the species. In Arcyria punicea and A. cinerea the capillitium i
RMRWWE2W–Elementary text-book of zoology (1884) Elementary text-book of zoology elementarytextbo0101clau Year: 1884 UEPHYJREA. 387 Te and an inner layer of longitudinal fibres. The latter are connected with the former and also amongst themselves by net-like anastomoses. These dermal muscles cause the folds of the cuticle. Internally to the longitudinal muscles there is another layer of circular muscles. In the <'li«'t(fera two hooked seta? ai'e present near the genital opening (tig. 311); these assist locomotion. There may also be present one or two circles of setse at the posterior end of the body
RM2AWCPH6–Text-book of comparative anatomy . tion, however, has everywhere taken place, firstof all at the anterier and posterior ends of the body, so that in some VI ANTENNATA—THE RESPIRATORY ORGAXX 479 cases only a single pair of stigmata is left; the tracheal system under-goes corresponding modifications, the most important of which is theconnecting together of the originally separate bundles of trachese bymeans of transverse and longitudinal anastomoses. With reference to the scattered and irregular apertures of the trachea? in theProtmcheata, we must point out that the arrangement of the tracheal s
RMPG1R3K–. On the anatomy of vertebrates. Vertebrates; Anatomy, Comparative; 1866. 570 ANATOMY OF VERTEBRATES. 380 pass, by being disposed in convolutions upon the edge of the ' mesorchium.' The primitive spermatic cells, which are per- sistent in the Cyclostomes, have coalesced into tubes (tubuli seminiferi) in Osseous Fishes; the tubes open at one end in the wide and sometimes saccular commencement of the vas deferens, and terminate at the other, either by blind free extremities or by reticulate anastomoses.' In the Herring, Shad, and other Clupeoids, the secerning tubes ramify and anastomose in the
RM2AJ9XFA–Atlas and text-book of topographic and applied anatomy . the ear and is covered by theposterior auricular muscle. The branches furnished by the internal carotid come out of the orbit from the ophthalmicartery. They are small vessels which possess additional interest from their anastomoses withthe branches of the external carotid. They are: 1. The frontal artery, passing upward through the frontal notch alongside of the root of thenose. 2. The supraorbital artery, external to the preceding vessel, which runs through the supra-orbital notch or foramen to reach the skin of the forehead. Veins.—On
RMPFK9FE–. Cytology. Cytology. periphery of the cell. The rough-surfaced elements are elongate and arranged more or less parallel to one another. These parallel arrays are interpreted as flattened vesicles of irregular outline and have been termed. SSi Figure 3-23. Electron Micrograph of Basal Portion of Exocrine (acinar) Ceil of Guinea Pig Pancreas. The endoplasmic reticulum consists of parallel rows of vesicles bounded by rough-surfaced membranes and arranged con- centric with the nucleus. Branching of the rows (b) and anastomoses be- tween adjacent rows (a) is shown. Elongated profiles (e) predomina
RM2AJ975B–Atlas and text-book of topographic and applied anatomy . muscle. (d) The suprascapular, which is frequently an independent branch of the subclavian artery.This vessel runs slightly downward to the upper margin of the scapula and is concealed beneaththe clavicle; it passes over the transverse ligament of the scapula to reach the supraspinous fossaand then skirts the neck of the bone and enters the infraspinous fossa. It supplies the supra-spinatus and infraspinatus muscles and anastomoses with the subscapular branch of the axillaryartery (see page 74 and Fig. 30). 4. The coslocervical axis, a s
RMPFN3Y9–. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. 1388 VEIN. spaces : — these anastomoses being all on the same plane, excelling at a few points here and there where a small channel clips down to the devp veins. Such plexuses may be seen on the dorsinn of the hand and foot. But the most elaborate and complex of all the plexuses in the human* subject are those formed around, about, and within, the spinal canal: they are composed of nu- merous trunks, which unite, divide, and re- Fig. 870.. Plexuses connected with the Spinal Canal. a, the great anterior spinal veins (te
RM2AG4EN7–. The American journal of anatomy. teral Surface).—The Prccentral Fis-sural Complex.—The supercentral is 4 cm. in length, and unusiially simple,running parallel with the central. From its middle springs the super-frontal. Ventro-cephalad of the supercentral and separated from it—liesa segment which partakes of the values of a medifrontal and a precentralpiece, and corresponds to what Schtifer (Quain) describes as an anteriorramus of the inferior precentral. This piece is peculiar in that it is notconfliient Avith the precentral, but anastomoses across the precentral gyreto join the central fis
RMPFHWPD–. The Danish Ingolf-Expedition. Scientific expeditions; Arctic Ocean. PORIFKRA. II.. some short branches, and irregularities caused by anastomoses and coalescing of branches may occur, but both these features seem to be found only rarely. The branches are generally arranged in a distinctly bilateral way, but here and there a branch ma}- be placed in a different plan. The bilaterality is effaced in only one specimen, in which the branches are very close-set, but this specimen is upon the whole somewhat irregular. As in the preceding species, stems and branches carry branchlets. These branchlets
RM2AKFM41–A System of midwifery : including the diseases of pregnancy and the puerperal state . Sectioi f tin plaeonta in their direction, and with numerous anastomoses. Some have bud- posed that the connection between these veins and arteries was of the nature of ;i simple capillary circulation; but the researches of Beid,Weber, and Goodsir, have shown that their connection is of a specialcharacter, and offer- the strongest possible contrast to a capillar! sys-tem. According to them, the blood i> conducted by the curling arte-ries into large irregular cells or rinun 8, the w alls ^ which are thin,
RMPFXT0K–. Cunningham's Text-book of anatomy. Anatomy. 1112 THE DIGESTIVE SYSTEM. minora, and are distributed to the tonsil and palate, and anastomose with branches of the ascending pharyngeal artery. The largest branch, greater palatine artery, emerges through the foramen palatinum majus, and runs forwards over the lateral margin of the hard palate, about in. from the alveolar margin, as far as to the foramen incisivum, where it anastomoses with the naso-palatine artery. (2) Posterior nasal septal artery, a small vessel which enters through the foramen incisivum. (3) Ascending palatine artery, from
RM2ANE79P–Treatise on gynaecology : medical and surgical . e of the mucous membrane is linedwith simple columnar ciliated epithelium; the movement of the cilia is in the direction of the uterus. Moreover, these organs are bound together by important vascularand lymphatic vessels. I will remind you of the anastomoses of theutero-ovarian arteries and veins with the uterine vessels. More im-portant still are the lymphatic connections. To Lucas Champion-niere, after Cruiksanck and Cruveilhier, belongs the credit of havingcalled attention to it.=^ IlSTFLAMMATIOlSr OF THE UTERINE APPENDAGES. S He described wi
RMPFXT83–. Cunningham's Text-book of anatomy. Anatomy. Fig. 834.—Schema of the Development of the Primitive Cerebral Veins and Cranial Blood Sinuses. A, side view ; B, dorsal view. Stage i. (After Mall, modified.) Each anterior cardinal vein may be separated into two parts—the intra-cranial and the extra- cranial. From the intra-cranial portions and their associated tributaries and anastomoses are developed some of the cranial blood sinuses and their tributaries; and from the extra-cranial portions and their anastomoses are formed the internal jugular veins, the innominate veins, the upper or cephalic
RM2AN87WM–Gynaecology for students and practitioners . rior, some over theposterior surface of the uterus to anastomose, in the middle line,with corresponding branches from the artery of the opposite side(see Fig. 44). The first of these branches to be given off is of com-paratively large size, and with its fellow of the opposite sideforms the circular artery of the cervix. Near the uterine cornu theterminal portion of the uterine artery anastomoses with the ovarian(anastomotic branch). There are numerous companion veins through-out. In the broad ligament a large venous plexus (pampiniform PELVIC BLOOD-
RMPFA7NB–. The development of the chick : an introduction to embryology. Embryology; Chickens -- Embryos. '^^^:. Fig. 137. — Part of a septum of the yolk-sac. Injected. 20 days' incuba- tion. The free edge is above. (After Popoff.) Ar., Artery. St., Stomata. V. an., Longitudinal anastomoses of venous network. V., vein.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Lillie, Frank Rattray, 1870-1947. New York : Henry Holt
RM2AGE1PP–. The brain as an organ of mind. 10,10, recurrent Laryngeal nerve ; 11, Pulmonaryganglion ; 12, its anastomoses with the great Sympathetic ; 13, posterior pulmonaryplexus ; 14, Esophageal plexus ; 15, anastomoses of the right with the left Pneumo-gastric; 16, branches of the Cardiac extremity of the Stomach ; 17, branches of thesmaller curvature ; 18, branches of the anterior face ; 19, lleitatie branches ; 20, Glosso-phar3ngcal nerve; 21, Spinal-accessory; 22, its internal branch anastomosing withthe Pneumogastric; 23, its external branch iiroceeding to the Trapezius and anas-tomosing with (2
RMPFXT87–. Cunningham's Text-book of anatomy. Anatomy. ! Ophthalmic vein Anterior cerebral vein Otic vesicle Anterior cardinal vein. Fig. 834.—Schema of the Development of the Primitive Cerebral Veins and Cranial Blood Sinuses. A, side view ; B, dorsal view. Stage i. (After Mall, modified.) Each anterior cardinal vein may be separated into two parts—the intra-cranial and the extra- cranial. From the intra-cranial portions and their associated tributaries and anastomoses are developed some of the cranial blood sinuses and their tributaries; and from the extra-cranial portions and their anastomoses are f
RM2AX9N96–Lectures on ectopic pregnancy and pelvic haematocele . extra-peritoneal tissue, with its blood-vessels, is therefore not onlycapable of forming anastomoses in abdominal aneurism, as Turnerand Chiene have shown, but may attempt to carry on the functionsof the maternal portion of the placenta. We have here what may be termed slow displacement of tlieplacenta. At first it lay in the Fallopian tube, but the growingovum has slowly pushed it up (a process attended with bloodextravasation) from pelvis to abdominal cavity, until at last itsupper edge is about ten inches from its original site. Part of
RMPFWR1M–. A manual for the study of insects. Insects. LEPIDOPTERA. 289 Drepanidae. As in the Drepanidc'E vein VII appears to be four-branched, and the course of vein II of the hind wings is similar in the two families, except that in the Auzatidse this vein anastomoses with vein III beyond the discal cell; but the extent of this anastomosis varies greatly in different indi- viduals of our species. In the Auzatidae the apex of the fore wings is not sickle-shaped ; and the branches of radius of the fore wings coalesce as in the Geometridae, veins III3 and III^ coal- Fig. -^^^.—Wmgsoi EtideUinea herminia
RM2AJ848H–Manual of human histology . The dentinal canals presentcertain constant peculiarities intheir course which may be bestgathered from figs. 185 and 187;it is not straight but ivavy, and inaddition, they present numerousramifications and anastomoses.Each canal describes, in general,two or three large curvatures, anda very great number (as many as200 in according to Retzius)of small curvatures, which aresometimes more or less stronglymarked and occasionally haveeven the appearance of actual Fig. 185. Dentinal tubules from the root,X 350: a, internal surface of the dentine,with scattered canals
RMPG1PWN–. On the anatomy of vertebrates. Vertebrates; Anatomy, Comparative; 1866. 626 ANATOMY OF VERTEBRATES. 4.35. Draiichial circulatinn ; IniTal Newt {Triton). ccl-.xxxil. and activity, the principal circulating vessels present the arrange- ment shown in fig. 435. The vessel, ib. 4, originally distinct and large before the deve- lopement of the gills, is now very small, and so close to the origin of 3 as to appear to be its first branch: it anastomoses with the branch 21 from the aortal root of its own side, and proceeds to the nascent lung 19. The artery 3 supplies the hind- most gill, and distri-
RM2AFXF6P–. Journal of morphology. of the alimentary canal camedown through the channel thus opened up, making a kind ofanomalous posterior mesenteric artery. Behind the spleen themain vessel (a.rec.) is continued in the median line down thedorsal side of the rectum to which it gives off several branches,and, at least in some cases, becomes directly continuous andalso anastomoses indirectly with some of the posterior ventralsegmental arteries. The coeliac division of the artery gives rise first to oesophagealbranches, some of the anterior of which may send twigs to theswim-bladder above and the liver be
RMPG15EF–. Fossil plants : for students of botany and geology . Paleobotany. 356 FILICALES founded by Presl may [CH. be de- Laccopteris. This genus, scribed as follows:—• Frond pedate, in habit resembling Matonia pectinata, with pinnate or pinnatifid pinnae; ultimate segments linear, provided with a well-marked midrib giving off' numerous dichotomously branched secondary veins which are in places connected by lateral anastomoses. Sori circular, forming a single row on each side of the midrib (fig. 278, B); sporangia 5—15 in each sorus, with an oblique annulus and tetrahedral spores. The presence of an
RM2AKB5CT–Surgical anatomy : a treatise on human anatomy in its application to the practice of medicine and surgery . the meatus, passes intothe internal ear. The Anterior Inferior Cerebellar Arteries, one on each side, arise from thebasilar artery near its middle. Each artery passes outward and backward overthe pons and the middle cms of the cerebellum. It terminates at the fore partof the under surface of the hemisphere of the cerebellum, to which it is dis-tributed. It anastomoses with the posterior inferior cerebellar artery. The Superior Cerebellar Arteries, one on each side, arise from the basilar
![. Fresh-water biology. Freshwater biology. THE FREE-LIVING FLATWORMS (TURBELLARIA) 359 ,---^v. â V ^ ! end. Eye spots elongated, crescentic, facing outward and forward at an angle of 43° to the chief axis of the worm. Intestine of the simple triclad type; no fusion or anastomoses of posterior stems. This description is from a single immature alcohohc specimen. (It is quite possible that the apparent lack of cephalic appendages is due to the effect of the killing fluid.) Collected off N. Y. Point, Lake Mich. â «""?v â V .âiui^ Fig. 637. Planaria simplex. From preserved material. X 1 Stock Photo](https://c8.alamy.com/comp/PFYRF8/fresh-water-biology-freshwater-biology-the-free-living-flatworms-turbellaria-359-v-v-!-end-eye-spots-elongated-crescentic-facing-outward-and-forward-at-an-angle-of-43-to-the-chief-axis-of-the-worm-intestine-of-the-simple-triclad-type-no-fusion-or-anastomoses-of-posterior-stems-this-description-is-from-a-single-immature-alcohohc-specimen-it-is-quite-possible-that-the-apparent-lack-of-cephalic-appendages-is-due-to-the-effect-of-the-killing-fluid-collected-off-n-y-point-lake-mich-quotquotv-v-iui-fig-637-planaria-simplex-from-preserved-material-x-1-PFYRF8.jpg ". Fresh-water biology. Freshwater biology. THE FREE-LIVING FLATWORMS (TURBELLARIA) 359 ,---^v. â V ^ ! end. Eye spots elongated, crescentic, facing outward and forward at an angle of 43° to the chief axis of the worm. Intestine of the simple triclad type; no fusion or anastomoses of posterior stems. This description is from a single immature alcohohc specimen. (It is quite possible that the apparent lack of cephalic appendages is due to the effect of the killing fluid.) Collected off N. Y. Point, Lake Mich. â «""?v â V .âiui^ Fig. 637. Planaria simplex. From preserved material. X 1 Stock Photo")
RMPFYRF8–. Fresh-water biology. Freshwater biology. THE FREE-LIVING FLATWORMS (TURBELLARIA) 359 ,---^v. â V ^ ! end. Eye spots elongated, crescentic, facing outward and forward at an angle of 43° to the chief axis of the worm. Intestine of the simple triclad type; no fusion or anastomoses of posterior stems. This description is from a single immature alcohohc specimen. (It is quite possible that the apparent lack of cephalic appendages is due to the effect of the killing fluid.) Collected off N. Y. Point, Lake Mich. â «""?v â V .âiui^ Fig. 637. Planaria simplex. From preserved material. X 1
RM2AJ8FPF–Atlas and text-book of topographic and applied anatomy . the anterior abdominal wall, since the blood from the inferior vena cavatries to reach the superior vena cava through the dilated superficial epigastric veins. The superficial veins of the abdominal wall form a subcutaneous venous plexus which com-municates with the area drained by the deep epigastric veins by means of numerous anastomosespassing through the abdominal wall (Fig. 55). These anastomoses are also directly con-nected with the portal vein, on the inferior surface of the liver, by four or five smallparumbilical veins (accessor
RMPG2M69–. Elements of the comparative anatomy of vertebrates. Anatomy, Comparative. 32U COMPARATIVE ANATOMY MA P / V. Fig. 262.—Tl-Ui Akthriaj. Synteim of Salnmniulra iiiacii/o'iii. 11 A, roots of the aorta ; Ao, Ao, dorsal aorta ; Sc, subclaA-ian artery, from which the cutaneous arterj' (Gh) arises : tlie hitter anastomoses postei-iorly with the epigastric artery E; Or, ovarian arteries; C')n, cceliaco-mesentei'ic; ff, liepatic artery ; I, I, I, anterior mesenteric arteries passing to the small intestine ; M, Jf, posterior mesenteric arteries ; B, A', renal .arteries ; I/c, common iliac; Cr, crural
RM2AJ9FHC–The American journal of anatomy . ^separated from it as the dural and arachnoidal tissues become-differentiated. On the other hand, though resting against thetransverse sinus, there is a scant amount of loose embryonicconnective tissue separating the two. Running through themeshes of this connective tissue can be seen blood capillariesthat form a plexus which empties into the transverse sinus. Thisplexus anastomoses with the vessels of the labyrinth bj^ com- VASCULAR DRAINAGE OF ENDOLYMPHATIC SAC 77 munications along the endolymphatic appendage. It also an-astomoses with the posterior dural pl
RMPG3PJM–. A manual of zoology. Zoology. Fig. 120.—Amccha polypodia in division (after F. E. Scliulze). cv, contractile vacuole; el^, ectosarc; en, en- tosarc; n, nucleus. Order III. Heliozoa, Sun Animalcules. The Heliozoa owe their name to the shape of the body, with the pseudopodia arranged like rays. In each pseudopodium is a firm axial thread, forming a. cv Na Fig. 121.—Aclinosphtrrium eichhorni. M, medullary substance witii nucleus (h); R, cortical substance with contractile vacuoles {cv); Na, food-body. skeleton, and a thin coating of protoplasm. Branching and anastomoses of the pseudopodia are r
RM2AJDK1P–A Reference handbook of the medical sciences embracing the entire range of scientific and practical medicine and allied science . FiG. artlG.—Formation of Collateral Anastomoses Between tbeSuperior and Inferior Epigastric Veins in obstruction of InferiorVena Cava. (After Scbrotter.) tions of ergotin, chloral, etc. The injection methods areat present but little used, and are in themselves danger-ous. Trendelenburgs donljle ligature is the operation. J^ Fig. 3017 -Development of Collateral Circulation in Thrombosis ofSubclavian Vein. (After Sclirotter.) most frequently carried out. (See Anus and
RMPG403P–. A manual of zoology. Zoology. V. HOLOTHUROIDEA 307 It passes backwards in the median dorsal interradius, forward in the left ventral interradius, and then back in the right dorsal interradius to the anus. It is held in position by mesenteries (fig. 309), and near the anus by numerous muscular filaments. Into the terminal portion one or two / h I d. Fig. 308.—Anatomy o£ Caudina aienala (after Kingsley). a, anastomoses of dorsal blood-vessel; b, branchial tree; d, dorsal blood-vessel;/, mesenterial filaments; g, genital opening; i, alimentary canal; I, longitudinal muscles; in, mouth; o, genit
RM2ANFGKJ–The international encyclopaedia of surgery; a systematic treatise on the theory and practice of surgery . , on the outer sideof the vessel. Separate the artery from itsvenae comites, etc., and pass the needle around it from without inward, tak-ing care to embrace nothing else. In the lower third of the leg, there are numerous anastomoses formed bylarge branches of the internal saphenous vein, which in general run trans-versely ; these may be revealed by compressing the trunk of the vein abovethem, so that injury to them may as much as possible be avoided. Ligation of the Peroneal Artery.—The p
RMPFK928–. Cytology, with special reference to the metazoan nucleus. Cells. #%il. ^ Fig. 8. Root tips of Allium cepa. (A, B, C, after Dehorne, A.Z., igii ; D, E, after Bonnevie, A.Z., 1908; F, G, after Gregoire, L.C., 1906.) A, D, F, telophase; C, E, G, prophase; B, resting nucleus. chromatin along the inconspicuous linin basis of the thread, and also by outgrowths and anastomoses, which are generally sufficient to conceal entirely in the resting nucleus its essential construction out of compara- tively few long threads. The same factors, acting in telophase at a still earlier stage of thread formation
RM2AWHG1K–The anatomist's vade mecum : a system of human anatomy . It isdistributed by several large branches to the anterior part of the gland,and anastomoses with its fellow of the opposite side, and with theinferior thyroid arteries. In its comse it passes beneath the omo-hyoid, sterno-thyroid, and sterno-hyoid muscles. Branches.—Hyoid, Superior laryngeal,Inferior laryngeal.Muscular. The Hyoid branch passes forwards beneath the thyro-hyoideus, andis distributed to the depressor muscles of the os hyoides near theirinsertion. The Sifperior laryngeal pierces the thyro-hyoidean membrane, incompany with t
RMPFK8NB–. Cytology, with special reference to the metazoan nucleus. Cells; Cytology. ^ Fig. 8. Root tips of Allium cepa. (A, B, C, after Dehorne, A.Z., 1911 ; D, E, after Bonnevie, A.Z 1908; F. G, after Gr^goire, L.C., 1906.) A, D, F, telophase; C, E, G, prophase; B, resting nucleus. chromatin along the inconspicuous linin basis of the thread, and also by outgrowths and anastomoses, which are generally sufficient to conceal entirely in the resting nucleus its essential construction out of compara- tively few long threads. The same factors, acting in telophase at a still earUer stage of thread formatio
RM2AN81J7–An illustrated encyclopædic medical dictionaryBeing a dictionary of the technical terms used by writers on medicine and the collateral sciences, in the Latin, English, French and German languages . nerve-cs are globular, pyramidal, spindleform, or stellate,with one or more processes. One of these processes (sometimesmore) is connected with a nerve-fibre, and is called the axis-cylinderprocess ; the remaining processes (protoplasmic processes) eitherend blindly or form anastomoses with similar processes from othercs. The processes, the c.-bodj^. and sometimes the c.-nucleus, showa fibrillated s
RMPFB5WA–. Dictionnaire de physiologie. Physiology. FiG. 50. â Cellules olfactives. Ep, Ep, cellules épithé- liales. â R, cellule sensorielle.â B, cils olfactifs, émettent des filets nerveux qui se rendent au cÅur, où ils s'anastomosent avec les ganglions cardiaques. Les autres ganglions, fusiformes ou triangulaires, correspondent aux différents nerfs spinaux, depuis le troisième jusqu'au dernier, et sont unis à eux par une ou plusieurs anastomoses. Le système sympathique envoie encore de nom- breux rameaux à l'aorte et à ses branches, ainsi qu'aux diffé- rents viscères, sur lesquels il forme
RM2AGC1R8–. The American journal of anatomy. most decided lengthening accom-panied by more marked convolutions. A similar condition is not foundin the human embryo, nor to such marked extent in the mouse of thisstage. Microscopic sections demonstrate the capsular artery branching witha certain definite regularity on the surface of the gland, and sendingminute arteries into the substance of the testis. A thick section showsthese vessels entering perpendicularly and giving off branches whichform capillary anastomoses around the medullary cords. Clark, J. G.: The Origin, Development, and Degeneration of th
RMPFB5WG–. Dictionnaire de physiologie. Physiology. GRENOUILLE. 147. FiG. 50. â Cellules olfactives. Ep, Ep, cellules épithé- liales. â R, cellule sensorielle.â B, cils olfactifs, émettent des filets nerveux qui se rendent au cÅur, où ils s'anastomosent avec les ganglions cardiaques. Les autres ganglions, fusiformes ou triangulaires, correspondent aux différents nerfs spinaux, depuis le troisième jusqu'au dernier, et sont unis à eux par une ou plusieurs anastomoses. Le système sympathique envoie encore de nom- breux rameaux à l'aorte et à ses branches, ainsi qu'aux diffé- rents viscères, sur l
RM2AMY8YD–Anatomy and physiology : designed for academies and families . Fig. 151. A, A, The ascending colon. /, The transverse colon, g. g, Representa portion of the small intestines, a, 6, e, d, h. Represent the superior raesenterioarterv and branches, through which the blood that nourishes the large and small in.testlnes passes. The anastomoses, or the connection of arteries, is beautifully repre-sented, and is worthv the. attention and remembrance of the student. The inoscula-tion, or hoop-like connection of the arteries, here exhibited, exists in every part ofthe system. The following engravings il
RMPFB5YA–. Dictionnaire de physiologie. Physiology. GRAISSES. 731. comprend l'épanouissement complet des réseaux limbiformes que nous avons étudiés aux premières phases du développement. Des rameaux artériels et veineux sont logés dans les sillons qui séparent les uns des autres les pelotons et englobés dans les éléments mi;mes de la trame conjonctive. Leurs divisions représentent par leurs anastomoses des résea,ux capillaires qui enserrent dans leurs mailles un plus ou moins grand nombre de vésicules adipeuses. Parfois une seule cellule se trouve enclose dans une véritable cage vascula
RM2AJ7451–The American journal of anatomy . h anastomose, at differ-ent levels within the lung, with those of adjacent latero- anddorsobronchi, and to some extent with recurrent bronchi. Bythese anastomoses an elaborate network of air-tubes is formed inthe dorso-lateral and lateral portions of the lung and, also, in thecaudal region of the ventral face. In the latter region, the sec-ond laterobronchus and the first ramus of the fourth entobron-chus play the most important part. The recurrent bronchi from the two posterior air-sacs, also, asmore fully descidbed below, help materially in forming the net-w
RMPFAW05–. Dictionnaire de physiologie. Physiology. LAPIN. 27 lieu d'artère libiale postérieure. A la plante du pied est une arcade plantaire profonde donnant des rameaux pour les orteils. Des anastomoses directes des petites artères dans les veines ont été de'crites à la partie externe de l'oreille, au museau, au pénis, et aux dernières phalanges des doigts.. FiG. 5. â Région antérieure du cou, d'après Schneider. 1, artère maxillaire externe ; 2, muscle mj'lohyoïdien : 3, muscle masséter ; 4, muscle ptërygoïdien interne ; 5, muscle styloglosse ; 6, tendon du muscle niandiliulé ; 7, ext
RM2AWFW4X–A system of human anatomy, general and special . hegluteal region. LUMBAR PLEXUS. The Lumbar plexus isformed by the communica-tions and anastomoses whichtake place between the ante-rior branches of the five lum-bar nerves, and between thelatter and the last dorsal. Itis narrow above and increasesin breadth inferiorly, and issituated between the trans-verse processes of the lumbarvertebras and the quadratuslumborum behind, and thepsoas magnus muscle in front. * A view of the lumbar and ischiatic plexus and the branches of the former. 14. Thebodies of the lumbar vertebra?. 13. The psoas magnus m
RM2AJ77GG–Manual of human histology . -ing the arteries and veins inembryos, is a capillary plexus.This, however, is by no meansthe case, and consequentlythe circumstance, that thewrongly termed capillaries ofthe germinal area arise afterthe type of the larger vessels,is not an objection of the leastweight in opposition to us. The capillaries of the lym-phatic system, which may bereadily traced in the tail ofbatrachian larvm (fig. 228),exhibit, essentially, preciselythe same mode of develop-ment as those of the blood-vascular system (fig. 294),except that anastomoses arerare in them, and its courseis mo
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