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Comparative Anatomy |
Record 1 to 25 of 220 |
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Alimentary Canal of the Flying Lizard In reptiles the alimentary canal differs much from that of mammals or birds. As a general rule, it is shorter in proportion to the trunk than in warm-blooded vertebrates. Labels: 1, esophagus; 2, sto... |
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Alligator Brain "Brain of alligator, from above. B. ol., olfactory bulb; G. p, epiphysis; HH, cerebellum; Med, spinal cord; MX, optic lobes; NH, medulla oblongata; VH, cerebral hemispheres; I-XI, cranial nerves; 1, 2... |
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Amnion "The innermost one of the membranes which envelop the embryo of the higher vertebrates,as mammals, birds, and reptile." -Whitney, 1902... |
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Animal Ears The inner ear of a reptile (top), a bird (left) and an ox (right).... |
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Arm, Bones of Wing of Bird; h Humerus or bone of upper arm; r and u Radius and Ulna, or bones of the forearm; c Carpus, or bones of the wrist; m Metacarpus, or bones of the root of the hand; p Phalanges, or bones o... |
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Bat Wing The skeleton of a bat's wing.... |
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Bee Leg "A, right hind leg of a honey-bee (seen fron behind and within); B, the tibia. ti, seen from the outside, showing the collecting basket formed of stiff hairs." -Bergen, 1896... |
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Bird Genital Organs, Female "Diagram of the female genital organs of a Bird. c, cloaca; i, intestine; k, kidney; o, ovary with ova of different size; od., oviduct; o.f., funnel of the oviduct; o.o., opening of the oviduct into t... |
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Bird Genital Organs, Male "Diagram of the urino-genital organs of a male Bird. ad., adrenal body; c, cloaca; i, intestine; k, kidney; t, testis; u, ureter; u.o., opening of ureter into the cloaca; v.d., vas deferens; v.d.o., o... |
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Bird Limbs "Fore-limb and hind-limb compared. H., Humerus; R., radius; U., ulna; r., radiale; u., ulnare; C., distal carpals united to carpo-metacarpus; CC., the whole carpal region; MC.I., metacarpal of the thu... |
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Bird, Stomach of The stomach of a grain-eating bird, which has a gizzard that functions to crush the seeds to pieces since birds have no teeth to crush their food. It has on its inside two hard surfaces which rub and... |
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Blood Corpuscles "Blood corpuscles (amphibian). c, colored corpuscles, flatwise and in profile; l, colorless corpuscles (leucocytes)." -Galloway, 1915... |
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Bony Tissue "Bony Tissue. A, portion of cross-section of a bone, the upper portion of the figure representing the outer surface of the bone, just beneath the periosteum. The open spaces, h, are Haversian canals; ... |
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Brain of a Bird, In birds the hemispheres are not united as in humans; the cerebellum is proportionately larger than the medulla oblongata, and the comparative weight of the brain to the body is less than in mammals.... |
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Brain, Orangutan Brain of the Orangoutang, showing arrangement of the convolutions. Sy, fissure of Sylvius; R, fissure of Rolando; E P, external perpendicular fissure; Olf, olfactory lobe; Cb, cerebellum; PV, pons Var... |
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Bullfrog Vertebrae "Vertebral column and pelvic girdle of bull-frog. t.p., Transvers processes of sacral vertebra; Il., ilium; U., urostyle; Fe., femur; Isch., ischiac region." -Thomson, 1916... |
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Capillary Network A small portion of the capillary network as seen in the frog's web when magnified about 25 diameters. Labels: a, a small artery feeding the capillaries; v, v, small veins carrying blood back from the... |
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Capillary Network A small portion of the capillary network as seen in the frog's web when magnified about 25 diameters. Labels: a, a small artery feeding the capillaries; v, v, small veins carrying blood back from th... |
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Cat Ear "Diagram showing the ear and related parts in a young cat. P., Pinna; Sq., squamosal: E.A.M., external auditory meatus; T., tympanum; M., malleus; I., incus; St., stapes abutting onforamen ovale; B., ... |
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Chick Development "Origin of lungs, liver, and pancreas in the chick. The mesoderm is shaded; the endoderm dark. lg., One of the lungs; St., stomach; l., liver; p., pancreas." -Thomson, 1916... |
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Circulation in a Frog's Foot Circulation in frog's foot under a microscope. Labels: A, walls of capillaries; B, tissue of web lying between the capillaries; C, cells of epidermis covering web (these are only shown in the right-... |
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Circulation in the Web of a Frog's Foot Circulation in the web of a Frog's foot.... |
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Clam Nervous System "The nervous system of the Clam,—from the dorsal aspect. a, anterior; o, mouth; c.g., cerebral ganglia (brain); p.g., pedal ganglia; v.g., visceral ganglia." -Galloway, 1915... |
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Cockroach Leg "Leg of cockroach. c., Broad expanded coxa; tr., trochanter; f., femur; ti., tibia; ta., six-jointed tarsus with terminal claws and adhesive cushions." -Thomson, 1916... |
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Cockroach Nervous System "Periplaneta. General view of the nervous system. abd. 6, sixth abdominal ganglion; ant, antennary nerve; br, brain; conn, oesophageal connective; inf, sub-oesophageal ganglion; opt, optic nerve; thor... |
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