Thursday, January 24, 2019
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Zoology (106)

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Pictures

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Asian and European hornets, illustration. At left is the Asian hornet (Vespa velutina). At right is the European hornet (Vespa crabro). The Asian hornet is an invasive species. It will capture, kill and dismember bees and carry them off to feed its larvae. Once a beehive is found by this species, the entire population of bees can be killed within hours. This hornet, also called the Asian predatory wasp, is native to China. It has become an invasive species in France, first appearing in around 2004, and has been spreading since then, reaching northern Spain in around 2010. The European hornet is the largest of the European wasps, and can reach a body length of 3.5 centimetres.

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Duvalius abyssimus cave beetle discovery, illustration. This beetle was first described in 2014. It was discovered in 2010 and 2013 during expeditions to the Krubera-Voronja cave complex in Abkhazia. This beetle is 6 millimetres long, has no wings, cannot see, and has no body pigment. The the discovery site (diagram at right) is shown as more than 600 metres below ground, at a temperature of 3 degrees Celsius. These caves are among the deepest in the world.

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Coastal wildlife. Computer artwork showing the varying forms of wildlife found at different depths on a gently sloping Mediterranean coast, with an inset showing sand-dwelling life (lower right).

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Coastal wildlife. Computer artwork showing the varying forms of wildlife found at different depths on a steep wave-swept Mediterranean coast, with two insets showing plankton (upper right) and cave life (lower left).

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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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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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