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External organ organs Stock Photos and Images
RM2AG0G7W–. Smithsonian miscellaneous collections. Fig. 12.—External view of compound and single olfactory organs and olfactorypegs on distal half of last antennal segment of larva of Cotinis nifida. A, 9 com-pound organs and 3 single ones on ventral side of antenna, viewed from a flatsurface, X 100; 2 of the compound organs at extreme tip are not shown. B, 6compound organs, 4 single ones, and i group of olfactory pegs (Pg) on dorsalside of antenna, viewed from a flat surface, X 100. C. external view of a com-pound and a single organ, X 320; the small circles represent pore apertures.. Fig. 13.—Internal
RF2WJHCPC–The renal eries are large blood vessels that carry blood from your he to your kidneys. 3D rendering
RM2AFX21A–. Raleigh Christian Advocate: organ of the North Carolina Conference, M.E. Church, South. t it is the general im-pression in government circles at Scfia,that Mi^s Stone, the missionary, s dead. The autopsy of Czolgosz showed hisbrain a: d all other organs in healthy con-dition. When the body was buried thecoffin was filled with acid, which will de-stoy it in twelve hours. A dispatch says that the anarchist clubsof London celebrated the electrocution ofCzolgo z by dancing in honor of his nobledeath. Snow fell for over an hour at El Paso,Tex., Wednesday afternoon, and was followed by^heavy rains
RF2WJHAHH–The renal eries are large blood vessels that carry blood from your he to your kidneys. 3D rendering
![. Thinking, feeling, doing . ited by the feeling of sorrow. And we should un-doubtedly discover other similar connections were it notthat they have no external symptoms. Besides the par-ticular organ which is especially concerned in a particu-lar state of feeling, there are always other organs moreor less affected ; and it is the complex of sensations re-sulting from the sum total ofthese separate sensations thatconstitutes the mass of internalfeelings and sensations. Themuscles, for example, are almostalways involved in this second-ary excitation. We have di- ] ^£ The muscles.rect experience Stock Photo](https://c8.alamy.com/comp/2CJ1N96/thinking-feeling-doing-ited-by-the-feeling-of-sorrow-and-we-should-un-doubtedly-discover-other-similar-connections-were-it-notthat-they-have-no-external-symptoms-besides-the-par-ticular-organ-which-is-especially-concerned-in-a-particu-lar-state-of-feeling-there-are-always-other-organs-moreor-less-affected-and-it-is-the-complex-of-sensations-re-sulting-from-the-sum-total-ofthese-separate-sensations-thatconstitutes-the-mass-of-internalfeelings-and-sensations-themuscles-for-example-are-almostalways-involved-in-this-second-ary-excitation-we-have-di-the-musclesrect-experience-2CJ1N96.jpg ". Thinking, feeling, doing . ited by the feeling of sorrow. And we should un-doubtedly discover other similar connections were it notthat they have no external symptoms. Besides the par-ticular organ which is especially concerned in a particu-lar state of feeling, there are always other organs moreor less affected ; and it is the complex of sensations re-sulting from the sum total ofthese separate sensations thatconstitutes the mass of internalfeelings and sensations. Themuscles, for example, are almostalways involved in this second-ary excitation. We have di- ] ^£ The muscles.rect experience Stock Photo")
RM2CJ1N96–. Thinking, feeling, doing . ited by the feeling of sorrow. And we should un-doubtedly discover other similar connections were it notthat they have no external symptoms. Besides the par-ticular organ which is especially concerned in a particu-lar state of feeling, there are always other organs moreor less affected ; and it is the complex of sensations re-sulting from the sum total ofthese separate sensations thatconstitutes the mass of internalfeelings and sensations. Themuscles, for example, are almostalways involved in this second-ary excitation. We have di- ] ^£ The muscles.rect experience
RF2WJHD1C–The renal eries are large blood vessels that carry blood from your he to your kidneys. 3D rendering
RM2CEFF5D–. Text-book of normal histology: including an account of the development of the tissues and of the organs. 0 -^«*nJsi^i5E>y| Section of bony portion of human external audi-tory canal: s, cutaneous layer closely united withperiosteal fibrous tissue ; o, osseous tissue of wall.(After RUiiinger.) THE ORGAN OF HEARING. ^y^. cutaneous layer, the other group coming from the vessels of thetympanic cavity to break up into the net-works distributed to themucous layer. The lymphatics of the tympanum correspond in their arrange-ment with the principal strata of the membrane. In the corium ofthe skin-
RF2WJHD91–The renal eries are large blood vessels that carry blood from your he to your kidneys. 3D rendering
RMRD5665–. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. 474- TEOUMENTARY ORGANS. plexities whose solution appears to me to be essential to any philosophical treatment of the subject, and to the consideration of which 1, therefore, propose to devote the following Preliminary Section. § 1. My first difficulty was to find an answer to the question,—What constitutes a tegu- mentary organ as distinguished from any other? The most obvious definition of an integu- ment or tegumentary organ is, of course, — that which forms the external covering of any animal—viscus, on the other han
RMREF3DX–. Compendium of histology. Histology. TWENTY-FOURTH LECTURE. THE ORGANS OF SENSE, CONTINUED.—THE EYE. We have still to mention the termination of the optic nerve. In doing this we must of course draw into the circle of our discussion the entire eye, that magnificent and won- derful organ which is so important for the physician. Never- theless, in consequence of its extremely complicated structure, we can only present a cursory incomplete description. The eyeball (Fig. 199) presents first an external capsular. Fig. 199.—Transverse section of the eye ; a, sclerotica ; b, cornea; c, conjunctiva ;
RMRN5XC4–. The anatomy of the domestic animals. Veterinary anatomy. /ESTHESIOLOGY THE SENSE ORGANS AND COMMON INTEGUMENT The organs of the senses (Organa sensmun) receive external stimuli and con- duct impulses to the brain which result in sensations of sight, hearing, taste, smell, and touch. They consist essentially of specially differentiated cells (neuro-epithe- liuin) and a conduction path which is simple in the more generalized sense organs, elaborate in those which are highly specialized—the eye and the ear. THE SENSE ORGANS AND SKIN OF THE HORSE The Eye The eye or organ of vision (Organon visus
![. Introduction to cryptogamic botany. Cryptogams. 210 INTRODUCTION TO CRYPTOGAMIC BOTANY. 1. ECTOCARPE^, Ag. Filiform, articulated; spores or cysts external, sometimes formed by the swelling of a branchlet. 194. "We begin -with the simplest forms, in which the frond is composed of a single simple or branched thread, or coated with cells, or very rarely solid and cellular below, giving off sub-globose spores or cysts filled with a dense endochrome, and active granules contained in distinct organs. There is some doubt about the nature of the former, whether they are simple or compound organ Stock Photo](https://c8.alamy.com/comp/RE3MG5/introduction-to-cryptogamic-botany-cryptogams-210-introduction-to-cryptogamic-botany-1-ectocarpe-ag-filiform-articulated-spores-or-cysts-external-sometimes-formed-by-the-swelling-of-a-branchlet-194-quotwe-begin-with-the-simplest-forms-in-which-the-frond-is-composed-of-a-single-simple-or-branched-thread-or-coated-with-cells-or-very-rarely-solid-and-cellular-below-giving-off-sub-globose-spores-or-cysts-filled-with-a-dense-endochrome-and-active-granules-contained-in-distinct-organs-there-is-some-doubt-about-the-nature-of-the-former-whether-they-are-simple-or-compound-organ-RE3MG5.jpg ". Introduction to cryptogamic botany. Cryptogams. 210 INTRODUCTION TO CRYPTOGAMIC BOTANY. 1. ECTOCARPE^, Ag. Filiform, articulated; spores or cysts external, sometimes formed by the swelling of a branchlet. 194. "We begin -with the simplest forms, in which the frond is composed of a single simple or branched thread, or coated with cells, or very rarely solid and cellular below, giving off sub-globose spores or cysts filled with a dense endochrome, and active granules contained in distinct organs. There is some doubt about the nature of the former, whether they are simple or compound organ Stock Photo")
RMRE3MG5–. Introduction to cryptogamic botany. Cryptogams. 210 INTRODUCTION TO CRYPTOGAMIC BOTANY. 1. ECTOCARPE^, Ag. Filiform, articulated; spores or cysts external, sometimes formed by the swelling of a branchlet. 194. "We begin -with the simplest forms, in which the frond is composed of a single simple or branched thread, or coated with cells, or very rarely solid and cellular below, giving off sub-globose spores or cysts filled with a dense endochrome, and active granules contained in distinct organs. There is some doubt about the nature of the former, whether they are simple or compound organ
RMRDY5XW–. The anatomy of the domestic animals . Veterinary anatomy. /ESTHESIOLOGY THE SENSE ORGANS AND COMMON INTEGUMENT The organs of the senses (Organa sensuum) receive external stimuli and con- duct impulses to the brain which result in sensations of sight, hearing, taste, smell, and touch. They consist essentially of specially differentiated cells (neuro-epithe- lium) and a conduction path which is simple in the more generalized sense organs, elaborate in those which are highly specialized—the eye and the ear. THE SENSE ORGANS AND SKIN OF THE HORSE The Eye The eye or organ of vision (Organon visus
RMRE078Y–. Outlines of the comparative physiology and morphology of animals. Anatomy, Comparative; Physiology, Comparative. SENSE ORGANS. I83 COMPARATIVE MORPHOLOGY AND PHYSIOLOGY OF THE EAR. In no other organ do we find so regular a simplifica- tion in descending the scale of animals. In mammals the structure and function of the ear are almost exactly what we described in man. The only important differences are the greater size and efficiency of the external ear as gatherers of sound waves, and the movable- ness of the ear by the use of ap- propriate muscles by which ani- mals perceive direction bette
![. Bulletin of the U.S. Department of Agriculture. Agriculture. 10 BULLETIN" 766, U. S. DEPARTMENT OF AGRICULTURE. halfway down the posterior uterus, causing this organ to resemble a flat, more or less coiled ribbon, gradually enlarging toward the external organs of reproduction. As the developing larvse are forced downward their axes gradually change until the axis of the posterior uterus and the larvse is the same. (Fig. 4.) At the distal termination of the posterior uterus is the "laying organ " or larvipositor. This is slightly chitinized and has a small tubelike opening just Stock Photo](https://c8.alamy.com/comp/RGA2NE/bulletin-of-the-us-department-of-agriculture-agriculture-10-bulletinquot-766-u-s-department-of-agriculture-halfway-down-the-posterior-uterus-causing-this-organ-to-resemble-a-flat-more-or-less-coiled-ribbon-gradually-enlarging-toward-the-external-organs-of-reproduction-as-the-developing-larvse-are-forced-downward-their-axes-gradually-change-until-the-axis-of-the-posterior-uterus-and-the-larvse-is-the-same-fig-4-at-the-distal-termination-of-the-posterior-uterus-is-the-quotlaying-organ-quot-or-larvipositor-this-is-slightly-chitinized-and-has-a-small-tubelike-opening-just-RGA2NE.jpg ". Bulletin of the U.S. Department of Agriculture. Agriculture. 10 BULLETIN" 766, U. S. DEPARTMENT OF AGRICULTURE. halfway down the posterior uterus, causing this organ to resemble a flat, more or less coiled ribbon, gradually enlarging toward the external organs of reproduction. As the developing larvse are forced downward their axes gradually change until the axis of the posterior uterus and the larvse is the same. (Fig. 4.) At the distal termination of the posterior uterus is the "laying organ " or larvipositor. This is slightly chitinized and has a small tubelike opening just Stock Photo")
RMRGA2NE–. Bulletin of the U.S. Department of Agriculture. Agriculture. 10 BULLETIN" 766, U. S. DEPARTMENT OF AGRICULTURE. halfway down the posterior uterus, causing this organ to resemble a flat, more or less coiled ribbon, gradually enlarging toward the external organs of reproduction. As the developing larvse are forced downward their axes gradually change until the axis of the posterior uterus and the larvse is the same. (Fig. 4.) At the distal termination of the posterior uterus is the "laying organ " or larvipositor. This is slightly chitinized and has a small tubelike opening just
RMRDGAB0–. Elements of the comparative anatomy of vertebrates. Anatomy, Comparative. OLFACTORY ORGAN 197 The primary origin of the olfactory organs is by no means understood : possibly it may have arisen by a modification of primitive integumentary sense-organs. It is doubtful whether the organ can be said to have a true olfactory function in Fishes and perennibranchiate Amphibians. In its simplest form, the olfactory organ consists of a ventral, paired, pifc-like depression of tlie integument of the snout opening on to the surface by an external nostril. It is lined by an epithelium which is connected
RMRN5XG7–. The anatomy of the domestic animals. Veterinary anatomy. /ESTHESIOLOGY THE SENSE ORGANS AND COMMON INTEGUMENT The organs of the senses (Organa sensuum) receive external stimuli and con- duct impulses to the brain which result in sensations of sight, hearing, taste, smell, and touch. They consist essentially of specially differentiated cells (neuro-epithe- lium) and a conduction path which is simple in the more generalized sense organs, elaborate in those which are highly specialized—the eye and the ear. THE SENSE ORGANS AND SKIN OF THE HORSE The Eye The eye or organ of vision (Organon visus)
RMRFPWAK–. Cassell's natural history. Animals; Animal behavior. NATURAL HISTORY. bodj', and is placed below the external skin. There are two other species of this genus from Old Calabar, but neither of these possesses the electric organs. Even the electric species is dangerous to small animals only. Its flesh is eaten, and the electric organ is .esteemed by the natives for its sujjposed healing properties, which, however, ai-e developed by burning the tissue and allowing the patient to inhale the fumes. The next group includes genera, in which the body is more or less completely contained in bony armou
RMRDE4DF–. Minnesota plant diseases. Plant diseases. Minnesota Plant Diseases. 131 parts of the insect-body, build up a mycelium which consumes all of the interior of the host except the chitinous skin. It thus stores up an enormous amount of nutrient material in the form of a storage organ or sclerotium, which is an exact cast, not only of the external form of the insect but also of the in- ternal organs. When this storage organ has rested for some time, and when conditions of moisture and temperature are favorable, it sends up, usually one or more, rarely two, stalks, which come above ground. Here th
RMRDMB4K–. The Cambridge natural history. Zoology. XIV SENSE-ORGANS 391 Cyclostomata are unique amongst Craniates in the apparently unpaired condition of the olfactory organ, and in its remarkable relation to the pituitary involution. In the embryo Lamprey the median and ventral olfactory pit is carried inwards with the pituitary invagination, so that the former appears as a dorsal out- growth from the latter, and the two have a common external opening, the naso-pitvutary aperture (Fig. 224). Later the ex- traordinary forward growth of the upper lip to form the roof of the buccal funnel has the effect
![. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. THE DEVELOPMENT OF FASCIOLAKIA. H7 " crowd in at the neck of the constriction " do'more than this, for some of them coming from opposite sides join to form a plug which projects into the hollow of the rounded excretory organ. (Fig. 4, />/£•.) As the excretory organs at later stages have no lumens whatever, I conclude that these cells become modified secondarily into excretory cells like the primary ones. The second important change which takes place in the external kidneys involves their position and results in Stock Photo](https://c8.alamy.com/comp/RHPCJR/the-biological-bulletin-biology-zoology-biology-marine-biology-the-development-of-fasciolakia-h7-quot-crowd-in-at-the-neck-of-the-constriction-quot-domore-than-this-for-some-of-them-coming-from-opposite-sides-join-to-form-a-plug-which-projects-into-the-hollow-of-the-rounded-excretory-organ-fig-4-gt-as-the-excretory-organs-at-later-stages-have-no-lumens-whatever-i-conclude-that-these-cells-become-modified-secondarily-into-excretory-cells-like-the-primary-ones-the-second-important-change-which-takes-place-in-the-external-kidneys-involves-their-position-and-results-in-RHPCJR.jpg ". The Biological bulletin. Biology; Zoology; Biology; Marine Biology. THE DEVELOPMENT OF FASCIOLAKIA. H7 " crowd in at the neck of the constriction " do'more than this, for some of them coming from opposite sides join to form a plug which projects into the hollow of the rounded excretory organ. (Fig. 4, />/£•.) As the excretory organs at later stages have no lumens whatever, I conclude that these cells become modified secondarily into excretory cells like the primary ones. The second important change which takes place in the external kidneys involves their position and results in Stock Photo")
RMRHPCJR–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. THE DEVELOPMENT OF FASCIOLAKIA. H7 " crowd in at the neck of the constriction " do'more than this, for some of them coming from opposite sides join to form a plug which projects into the hollow of the rounded excretory organ. (Fig. 4, />/£•.) As the excretory organs at later stages have no lumens whatever, I conclude that these cells become modified secondarily into excretory cells like the primary ones. The second important change which takes place in the external kidneys involves their position and results in
RMRJ5K5E–. Chordate anatomy. Chordata; Anatomy, Comparative. THE SENSE ORGANS 419 from a thickened placode of ectoderm on the side of the head, and that its later ontogenetic changes resemble those of a lateral-line organ. In both cases, the skin sinks below the surface, and patches of sensory cells are differentiated. Moreover, the eighth nerve develops as a branch of the facial, a nerve which supplies lateral-line organs. In the elasmobranchs, the external aperture of the invagination canal of the statocyst lies near the openings of the occipital row of lateral-line organs. A similar separa- tion of
RMRDHBRT–. The horse in health and disease : a text-book pertaining to veterinary science for agricultural students . Horses; Horses. THE DIGESTIVE SYSTEM 61 This causes folds of the peritoneum to connect the organs with the wall or with each other. The connecting folds are termed omenta, mesenteries, and ligaments. They contain fat in varying quanti- ties, depending upon the condition of the animal, and furnish a. Fig. 11.^Diagrammatic cross-section of abdomen to show arrangement of peritoneum when reduced to its simplest form. The external black line represents the body wall: 1, Organ (e. g., kidney)
![. Electro-physiology. Electrophysiology. 392 ELECTRO-PHYSIOLOGY CHAP. systems of transversely - divided fin muscles (external and internal, Fig. 255 [mp]), which are especially numerous and well developed in Gymnotus, and increase posteriorly in number and extension. The small organ increases similarly in height, while the number of prisms in the large organ, on the other hand, decreases towards the caudal end, " since they become rolled up underneath, and leave the lateral surface of the body." In the region where the small organs are fully developed, the upper bundles of the deep f Stock Photo](https://c8.alamy.com/comp/RD5DRF/electro-physiology-electrophysiology-392-electro-physiology-chap-systems-of-transversely-divided-fin-muscles-external-and-internal-fig-255-mp-which-are-especially-numerous-and-well-developed-in-gymnotus-and-increase-posteriorly-in-number-and-extension-the-small-organ-increases-similarly-in-height-while-the-number-of-prisms-in-the-large-organ-on-the-other-hand-decreases-towards-the-caudal-end-quot-since-they-become-rolled-up-underneath-and-leave-the-lateral-surface-of-the-bodyquot-in-the-region-where-the-small-organs-are-fully-developed-the-upper-bundles-of-the-deep-f-RD5DRF.jpg ". Electro-physiology. Electrophysiology. 392 ELECTRO-PHYSIOLOGY CHAP. systems of transversely - divided fin muscles (external and internal, Fig. 255 [mp]), which are especially numerous and well developed in Gymnotus, and increase posteriorly in number and extension. The small organ increases similarly in height, while the number of prisms in the large organ, on the other hand, decreases towards the caudal end, " since they become rolled up underneath, and leave the lateral surface of the body." In the region where the small organs are fully developed, the upper bundles of the deep f Stock Photo")
RMRD5DRF–. Electro-physiology. Electrophysiology. 392 ELECTRO-PHYSIOLOGY CHAP. systems of transversely - divided fin muscles (external and internal, Fig. 255 [mp]), which are especially numerous and well developed in Gymnotus, and increase posteriorly in number and extension. The small organ increases similarly in height, while the number of prisms in the large organ, on the other hand, decreases towards the caudal end, " since they become rolled up underneath, and leave the lateral surface of the body." In the region where the small organs are fully developed, the upper bundles of the deep f
RMRDYF3J–. Plant life and plant uses; an elementary textbook, a foundation for the study of agriculture, domestic science or college botany. Botany. 62 THE PLANT: A GENERAL EXTERNAL VIEW helps maintain the Hfe of the race. Roots, stems, and leaves are organs of nutrition; the flower is an organ of repro- duction. Leaves are principally for photo- synthesis. Flowers are exclusively for seed production. The way in which they produce seed is described in a later chapter. 20. Fruits.—At the grocer's we buy fruits and vegetables. The grocer has no difficulty in telling a fruit from a vegetable, but he would
RMREF908–. Comparative anatomy. Anatomy, Comparative. 414 COIkCPARATIVE ANATOMY fusion of the uteri are represented in the placental mammals—uterus duplex, bipartitus, bicornis, and, in primates, uterus simplex. Even in the primates, however, the original duplex character of the Muellerian ducts is retained in the paired uterine tubes. (Fig. 339) External genital organs also make their appearance in mammals. Copulatory organs are, however, not wholly new in this group. Some of the flatworms have an intromittent organ by which sperm is conveyed. Fig. 340.—Diagrams of male urogenitalia in I, monotreme; I
![. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. 10 BULLETIlSr 766, TJ. S. DEPARTMEIiTT OF AGRICULTUEE. £=*^X halfway down the posterior uterus, causing this organ to resemble a flat, more or less coiled ribbon, gradually enlarging toward the external organs of reproduction. As the developing larvae are forced downward their axes gradually change until the axis of the posterior uterus and the larvse is the same. (Fig. 4.) At the distal termination of the posterior uterus is the "laying organ " or larvipositor. This is slightly chitinized and has a small tub Stock Photo](https://c8.alamy.com/comp/RGBNC0/bulletin-of-the-us-department-of-agriculture-agriculture-agriculture-10-bulletilsr-766-tj-s-departmeiitt-of-agricultuee-=x-halfway-down-the-posterior-uterus-causing-this-organ-to-resemble-a-flat-more-or-less-coiled-ribbon-gradually-enlarging-toward-the-external-organs-of-reproduction-as-the-developing-larvae-are-forced-downward-their-axes-gradually-change-until-the-axis-of-the-posterior-uterus-and-the-larvse-is-the-same-fig-4-at-the-distal-termination-of-the-posterior-uterus-is-the-quotlaying-organ-quot-or-larvipositor-this-is-slightly-chitinized-and-has-a-small-tub-RGBNC0.jpg ". Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. 10 BULLETIlSr 766, TJ. S. DEPARTMEIiTT OF AGRICULTUEE. £=*^X halfway down the posterior uterus, causing this organ to resemble a flat, more or less coiled ribbon, gradually enlarging toward the external organs of reproduction. As the developing larvae are forced downward their axes gradually change until the axis of the posterior uterus and the larvse is the same. (Fig. 4.) At the distal termination of the posterior uterus is the "laying organ " or larvipositor. This is slightly chitinized and has a small tub Stock Photo")
RMRGBNC0–. Bulletin of the U.S. Department of Agriculture. Agriculture; Agriculture. 10 BULLETIlSr 766, TJ. S. DEPARTMEIiTT OF AGRICULTUEE. £=*^X halfway down the posterior uterus, causing this organ to resemble a flat, more or less coiled ribbon, gradually enlarging toward the external organs of reproduction. As the developing larvae are forced downward their axes gradually change until the axis of the posterior uterus and the larvse is the same. (Fig. 4.) At the distal termination of the posterior uterus is the "laying organ " or larvipositor. This is slightly chitinized and has a small tub
RMRN5E8T–. Animal life and intelligence. Biology; Animal intelligence; Psychology, Comparative; Evolution. 266 Animal Life and Intelligence. an. Fig. 28.—Tail of Mysis. au., auditory organ. In the cuttle-fishes it is found embedded in the cartilage of the head. In the lobster or crayfish the auditory organs are found at the base of the smaller feelers or antennules. They are little sacs formed by an infolding of the external integument (see Fig. 26, p. 259). Beautifully feathered auditory hairs project into the sac along specialized ridges, and the sac in many cases contains grains of sand which play t
RMRR8964–. Insects, their ways and means of living. Insects. INSECTS cleared away, and a new muscle system must be built up suitable to the adult mechanism. Most of the other organs are transformed by a gradual replacement of cells in their tissues, with the result that each organ itself remains intact during the whole period of its alteration—the insect is never without a complete alimentary canal, its body wall always maintains a continuous surface. This condition, however, is not entirely true of the muscles, for with some insects undergoing a high degree of meta- morphosis in external structure, th
![. The chordates. Chordata. Sauropsida: Class Reptilia 475. Fig. 367. Longitudinal section of nasal region of alligator, (c) Concha; (ms) maxillary sinus; (n) naris; (p) pseudoconcha. (After Gegenbaur. Courtesy, Kingsley: "Comparative Anatomy of Vertebrates," Philadelphia, The Blakiston Company.) In reptiles the sense of taste is confined to the mouth. Lack of external organs of taste is probably offset by better development of the nasal organ of chemical sense, the olfactory organ. The efficiency of this organ depends in part on the extent of the nasal surface occupied by the olfacto Stock Photo](https://c8.alamy.com/comp/RJ482N/the-chordates-chordata-sauropsida-class-reptilia-475-fig-367-longitudinal-section-of-nasal-region-of-alligator-c-concha-ms-maxillary-sinus-n-naris-p-pseudoconcha-after-gegenbaur-courtesy-kingsley-quotcomparative-anatomy-of-vertebratesquot-philadelphia-the-blakiston-company-in-reptiles-the-sense-of-taste-is-confined-to-the-mouth-lack-of-external-organs-of-taste-is-probably-offset-by-better-development-of-the-nasal-organ-of-chemical-sense-the-olfactory-organ-the-efficiency-of-this-organ-depends-in-part-on-the-extent-of-the-nasal-surface-occupied-by-the-olfacto-RJ482N.jpg ". The chordates. Chordata. Sauropsida: Class Reptilia 475. Fig. 367. Longitudinal section of nasal region of alligator, (c) Concha; (ms) maxillary sinus; (n) naris; (p) pseudoconcha. (After Gegenbaur. Courtesy, Kingsley: "Comparative Anatomy of Vertebrates," Philadelphia, The Blakiston Company.) In reptiles the sense of taste is confined to the mouth. Lack of external organs of taste is probably offset by better development of the nasal organ of chemical sense, the olfactory organ. The efficiency of this organ depends in part on the extent of the nasal surface occupied by the olfacto Stock Photo")
RMRJ482N–. The chordates. Chordata. Sauropsida: Class Reptilia 475. Fig. 367. Longitudinal section of nasal region of alligator, (c) Concha; (ms) maxillary sinus; (n) naris; (p) pseudoconcha. (After Gegenbaur. Courtesy, Kingsley: "Comparative Anatomy of Vertebrates," Philadelphia, The Blakiston Company.) In reptiles the sense of taste is confined to the mouth. Lack of external organs of taste is probably offset by better development of the nasal organ of chemical sense, the olfactory organ. The efficiency of this organ depends in part on the extent of the nasal surface occupied by the olfacto
RMRJ4821–. The chordates. Chordata. 476 Comparative Morphology of Chordates than eyes of amphibians. The external supporting layer (sclerotic) of the eyeball usually contains considerable cartilage. In lizards and turtles ossification of the cartilage forms a circular series of small sclerotic plates surrounding the exposed outer face of the eyeball. Fig. 368. Sections of larval (Bornj and adult (Schimkewitsch) nasal organs of Lacerta. Bone black, (c) Embryonic concha; (ds) dental shelf; (e) eye; (g) Jacobson's glands; (j) organ of Jacobson; (/) lacrimal groove; (n) main nasal cavity; (of) duct of orga
![. Biological lectures delivered at the Marine Biological Laboratory of Wood's Holl [sic]. Biology. 214 MARINE BIOLOGICAL LABORATORY. The sense-organ numbered six in the Cyclostome stage (the crista acustica anterior, or anterior canal o.d.e. 9ia. t.a.a cr.a.post. Fig. 16.—The Gnathostome type ear shown here illustrates the method and the extent of the modifications which the Cyclo- stome ear has suffered m its descent to this group. The an- terior and posterior canal organs have each budded off an organ which, in the case of the anterior canal, produces a well-formed canal, the external, prese Stock Photo](https://c8.alamy.com/comp/RHM5B1/biological-lectures-delivered-at-the-marine-biological-laboratory-of-woods-holl-sic-biology-214-marine-biological-laboratory-the-sense-organ-numbered-six-in-the-cyclostome-stage-the-crista-acustica-anterior-or-anterior-canal-ode-9ia-taa-crapost-fig-16the-gnathostome-type-ear-shown-here-illustrates-the-method-and-the-extent-of-the-modifications-which-the-cyclo-stome-ear-has-suffered-m-its-descent-to-this-group-the-an-terior-and-posterior-canal-organs-have-each-budded-off-an-organ-which-in-the-case-of-the-anterior-canal-produces-a-well-formed-canal-the-external-prese-RHM5B1.jpg ". Biological lectures delivered at the Marine Biological Laboratory of Wood's Holl [sic]. Biology. 214 MARINE BIOLOGICAL LABORATORY. The sense-organ numbered six in the Cyclostome stage (the crista acustica anterior, or anterior canal o.d.e. 9ia. t.a.a cr.a.post. Fig. 16.—The Gnathostome type ear shown here illustrates the method and the extent of the modifications which the Cyclo- stome ear has suffered m its descent to this group. The an- terior and posterior canal organs have each budded off an organ which, in the case of the anterior canal, produces a well-formed canal, the external, prese Stock Photo")
RMRHM5B1–. Biological lectures delivered at the Marine Biological Laboratory of Wood's Holl [sic]. Biology. 214 MARINE BIOLOGICAL LABORATORY. The sense-organ numbered six in the Cyclostome stage (the crista acustica anterior, or anterior canal o.d.e. 9ia. t.a.a cr.a.post. Fig. 16.—The Gnathostome type ear shown here illustrates the method and the extent of the modifications which the Cyclo- stome ear has suffered m its descent to this group. The an- terior and posterior canal organs have each budded off an organ which, in the case of the anterior canal, produces a well-formed canal, the external, prese
RMRDH0TX–. An elementary course of practical zoology. Zoology. SENSORY ORGANS 367 usually assigned the functions of smell and hearing respec- tively. The olfactory organ is constituted by a number of extremely delicate olfactory setcc, borne on the external flagellum, and supplied by branches of the antennulary nerve. The auditory organ is a sac formed by invagination of the dorsal surface of the proximal segment, and is in op.grv. TTV cnt. Fig. go.—A, Longitudinal section of eye.stalk ; E, a single ommaticleiim ; d, vitreous body; b, retinula; en, cornea, continuous with cnt, cuticle of eyestalk; VI,
![. A textbook of invertebrate morphology [microform]. Invertebrates; Morphology (Animals); Invertébrés; Morphologie (Animaux). an oviil TYPE ECHINODERMA. 575 cate canals These organs, which are iisually quite small are situated in the vicinity of the ambulacral "pores ox nel^ :L::;:LTtL^^^ ^-^^^^^^ *^ ^-^ ^ --^> p-C Owing to the presence of the firm test the muscular system. Ul Hi' Fig. 265.—Diagram showing the Al = Aristotle's lantern. <tmp = ampulla. an = aboral nerve-riug. as = axial siuus. au = auricula. ftr external brancbia. Co = coelom. 0 = reproductive organ. Od = genital Stock Photo](https://c8.alamy.com/comp/REP25W/a-textbook-of-invertebrate-morphology-microform-invertebrates-morphology-animals-invertbrs-morphologie-animaux-an-oviil-type-echinoderma-575-cate-canals-these-organs-which-are-iisually-quite-small-are-situated-in-the-vicinity-of-the-ambulacral-quotpores-ox-nel-llttl-gt-p-c-owing-to-the-presence-of-the-firm-test-the-muscular-system-ul-hi-fig-265diagram-showing-the-al-=-aristotles-lantern-lttmp-=-ampulla-an-=-aboral-nerve-riug-as-=-axial-siuus-au-=-auricula-ftr-external-brancbia-co-=-coelom-0-=-reproductive-organ-od-=-genital-REP25W.jpg ". A textbook of invertebrate morphology [microform]. Invertebrates; Morphology (Animals); Invertébrés; Morphologie (Animaux). an oviil TYPE ECHINODERMA. 575 cate canals These organs, which are iisually quite small are situated in the vicinity of the ambulacral "pores ox nel^ :L::;:LTtL^^^ ^-^^^^^^ *^ ^-^ ^ --^> p-C Owing to the presence of the firm test the muscular system. Ul Hi' Fig. 265.—Diagram showing the Al = Aristotle's lantern. <tmp = ampulla. an = aboral nerve-riug. as = axial siuus. au = auricula. ftr external brancbia. Co = coelom. 0 = reproductive organ. Od = genital Stock Photo")
RMREP25W–. A textbook of invertebrate morphology [microform]. Invertebrates; Morphology (Animals); Invertébrés; Morphologie (Animaux). an oviil TYPE ECHINODERMA. 575 cate canals These organs, which are iisually quite small are situated in the vicinity of the ambulacral "pores ox nel^ :L::;:LTtL^^^ ^-^^^^^^ *^ ^-^ ^ --^> p-C Owing to the presence of the firm test the muscular system. Ul Hi' Fig. 265.—Diagram showing the Al = Aristotle's lantern. <tmp = ampulla. an = aboral nerve-riug. as = axial siuus. au = auricula. ftr external brancbia. Co = coelom. 0 = reproductive organ. Od = genital
RMRDJHBW–. Plant life and plant uses; an elementary textbook, a foundation for the study of agriculture, domestic science or college botany. Botany. 62 THE PLANT: A GENERAL EXTERNAL VIEW helps maintain the life of the race. Roots, stems, and leaves are organs of nutrition; the flower is an organ of repro- duction. Leaves are principally for photo- synthesis. Flowers are exclusively for seed production. The way in which they produce seed is described in a later chapter. 20. Fruits.—At the grocer's we buy fruits and vegetables. The grocer has no difficulty in telling a fruit from a vegetable, but he woul
RMREFD18–. Comparative anatomy of vertebrates. Anatomy, Comparative; Vertebrates. FIG. 184, A.—LONGITUDINAL VERTICAL SECTION OF THE SKIN AND A LATERAL LINE ORGAN OF Triton rrixtninx DURING THE BREEDING SEASON, WHEN THE ANIMAL LIVES IN THE WATER. (After Maurer.) A E and JE, external and internal layers of epiderm abutting against the sensory organs; BG, blood-vessel; SN, nerve; SZ, sensory cells; StZ,.supporting ctil 11: 13. —ISOLATED SUPPORTING (StZ) AND SENSORY (SZ) CELLS FROM A LATERAL LINE ORGAN OF TRITON. C.—VERTICAL SECTION THROUGH THE LATERAL CANAL OF Amia talva. (After Allis ; slightly modified.
RMRDX3GF–. Lichens. Lichens. REPRODUCTIVE ORGANS 157 size, rarely more than i cm. in diameter (Fig. 88); there is no development in lichen fruits equal to the cup-like ascomata of the larger Pezizae. In. Fig. 88. Lecanora subfusca Ach. A, thallus and apothecia x 3; B, vertical section of apothecium. a, hymenium; by hypo- thecium; c, thalline margin or amphithecium; d, gonidia. X 60 (after Reinke). most cases the lichen apothecium retains its vitality as a spore-bearing organ for a considerable period, sometimes for several years, and it is strengthened and protected by one or more external margins of s
RMRDKY8J–. The Cambridge natural history. Zoology. Tig. 31.—Under side of the head of Scutigera coleoptrata, with sense organ, eo, Opening of sense organ to the exterior ; 0, sense organ shown through the chitin ; m, mouth ; oc, eye; i^ixl, maxilla ; / furrow in the chitin. (Heathcote, Sense organ in Scictir/era coleoptrata.). gang.c. ixt.eui. -y^''/' Fig. 32.—Highly magnified section through head of Polyxenus lagurus, showing sense organ. ext.out, external cuticle ; t, tube surrounding base of sense hair; gang.c, ganglion cell. (Heathcote, Anatomy of Polyxenus lagums.) These two sense organs are shown
RMRHN649–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. Medulla externa X-organ sinus gland organ of Bellonci Medulla terminalis X-organs (land 2) FIGURE 1. General organization of a left eyestalk of the prawn Palaemon serratus: dorsal and ventral views, transverse sections, (d: dorsal side; v: ventral side; e.s.: external side; i.s.: internal side; c (left): scattered neurosecretory cells; s (right): sensory pores; A, B, C, D, E, F, G: transverse sections).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability
RMRCTC43–. The development of the chick; an introduction to embryology. Birds -- Embryology. ORGANS OF SPECIAL SENSE 287 5.9 mm. head-length, he identifies it positively as a rudimentary organ of Jacobson. The septal gland arises on the eighth day from the inner wall of the vestibulum, opposite the base of the vestibular tur- Z2. T.l- e.n.. -i.n. Fig. 165. — Transverse section of the olfactory organ of a chick embryo, of 7.5 mm. head length. (After Cohn.) f., Line of fusion, e. n., External nasal process, i. n., Internal nasal process. T. 1, T. 2, Intermediate and supe- rior turbinals. binal, as a soli
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