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Зоологія (102)

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Зображення

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Illustration of the normal skeletal anatomy of a bird wing. Beginning at the bottom and continuing upward are the coracoids, scapula, clavicle, humerus, radius, radial carpal, ulnar carpal, metacarpals, alula digit metacarpals, major digits 1, 2, 3, and 4, and minor digit. The tip of the wing is at the top of the illustration.

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Illustration of the typical animal cell structure with labels: cell membrane, centrioles, cytoplasm, chromatin, endoplasmic reticulum, Golgi apparatus, lysosome, microfilaments, microtubules, mitochondrion, nucleus, nucleolus, receptors, ribosomes, and vacuole.

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Illustration showing the major organs of the rat digestive system, ventral view.

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Illustration showing the rat reproductive organs: female (top) and male (bottom), ventral view.

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Medical illustration of three aspects of the equine nasolacrimal system. Shown are the eye and eyelids with tear glands and ducts, including the lacrimal gland, nictitans gland, and nasolacrimal duct (top), nasal punctum (left), and nasolacrimal duct (right).

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Medical illustration of three aspects of the equine nasolacrimal system. Shown are the eye and eyelids with tear glands and ducts, including the lacrimal gland, nictitans gland, and nasolacrimal duct (top), nasal punctum (left), and nasolacrimal duct (right).

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Medical illustration of the heart, lungs, and intestines of the horse, lateral view. The heart and right lung are dissected to show circulation; the abdominal viscera are exposed to show the intestines.

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Medical illustration of the ligaments of the equine stifle joint, showing lateral (left) and medial (right) views. Labeled structures include the quadriceps muscle, femur, patella, meniscus, and ligaments.

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Medical illustration of the equine eye and associated tissues, sagittal view, accompanied by an anterior view of the fundus and a three-quarter view of the lens. Labeled structures are the lens, optic nerve, and fundus.

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Medical illustration of the equine eye and associated tissues, sagittal view, accompanied by anterior view of the fundus and a three-quarter view of the lens. Structures shown include the lens, optic nerve, and fundus.

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Medical illustration of exercise-induced bleeding in a horse. The location of the heart and lungs in the thorax are shown (left), with a close-up depicting blood flow and an enlarged detail of lung alveoli and capillaries at the bleeding site. Labeled structures include the atria and ventricles, pulmonary artery and veins, and bronchiole.

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Medical illustration of exercise-induced bleeding in a horse. The location of the heart and lungs in the thorax are shown (left), with a close-up depicting blood flow and an enlarged detail of lung alveoli and capillaries at the bleeding site. Structures shown include the atria and ventricles, pulmonary artery and veins, and bronchiole.

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Illustration of the skeleton of a laboratory rat, lateral view. Labeled structures include the skull; the cervical, thoracic, lumbar, sacral, and caudal vertebrae; bones including the scapula, clavicle, sternum, humerus, radius, ulna, pelvis, femur, tibia, fibula, carpals and metacarpals, tarsals and metatarsals, and phalanges.

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rmEN_00966278_8473

Illustration of the skeleton of a laboratory rat, lateral view. Structures shown include the skull; the cervical, thoracic, lumbar, sacral, and caudal vertebrae; bones including the scapula, clavicle, sternum, humerus, radius, ulna, pelvis, femur, tibia, fibula, carpals and metacarpals, tarsals and metatarsals, and phalanges.

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Anatomy of a medicinal leech.

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Drawings of Various Butterflies and Insects

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Drawings of Various Butterflies and Insects

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Illustration showing the conduction pathway in the left ventricle of a pig heart.

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Birds and compass on map

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PHOTO: EAST NEWS/SCIENCE PHOTO LIBRARY Fragile environments, conceptual image. Computer artwork of a ladybird on a leaf in front of green images of plants, representing the fragility of animal habitats.

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