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    Closeup of Araniella cucurbitina or cucumber green spider on blooming wildflower bud in nature — Stock Photo
    Closeup of Araniella cucurbitina or cucumber green spider on blooming wildflower bud in nature
    Human Clavicle, computer illustration — Stock Photo
    Human Clavicle, computer illustration
    Human cardiac muscle, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human cardiac muscle, light micrograph. Haematoxylin and eosin stain.
    Macro shot of head of European hornet or Vespa crabro insect largest eusocial wasp native to Europe against blurred dark background in nature — Stock Photo
    Macro shot of head of European hornet or Vespa crabro insect largest eusocial wasp native to Europe against blurred dark background in nature
    Macro shot of head of green Ruspolia nitidula bush cricket known as cone headed grasshopper eating plant in nature — Stock Photo
    Macro shot of head of green Ruspolia nitidula bush cricket known as cone headed grasshopper eating plant in nature
    Tendon, coloured scanning electron micrograph (SEM), showing bundles of collagen fibres. The parallel alignment of the fibres make tendons inelastic but flexible. Tendons attach muscle to bone. Magnification: x5000 when printed at 10 centimetres wide — Stock Photo
    Tendon, coloured scanning electron micrograph (SEM), showing bundles of collagen fibres. The parallel alignment of the fibres make tendons inelastic but flexible. Tendons attach muscle to bone. Magnification: x5000 when printed at 10 centimetres wide
    Knee joint, computer illustration — Stock Photo
    Knee joint, computer illustration
    Macro shot of fire salamander Salamandra salamandra with yellow spots with selective focus on head on white background — Stock Photo
    Macro shot of fire salamander Salamandra salamandra with yellow spots with selective focus on head on white background
    Zebrafish young. Coloured scanning electron micrograph (SEM) of newly-hatched zebrafish (Danio rerio) young or fry. These fish are used to study embryonic development. The eyes (blue) are seen in the heads. Zebrafish eggs are transparent — Stock Photo
    Zebrafish young. Coloured scanning electron micrograph (SEM) of newly-hatched zebrafish (Danio rerio) young or fry. These fish are used to study embryonic development. The eyes (blue) are seen in the heads. Zebrafish eggs are transparent
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (pink) — Stock Photo
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (pink)
    Human Humerus, computer illustration — Stock Photo
    Human Humerus, computer illustration
    Human compact bone tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human compact bone tissue, light micrograph. Haematoxylin and eosin stain.
    Jaw bone, computer illustration — Stock Photo
    Jaw bone, computer illustration
    Human lip. Coloured scanning electron micrograph (SEM) of a human lip, showing sweat gland openings on the drier external lip surface. These openings (pores) release sweat onto the surface of the skin — Stock Photo
    Human lip. Coloured scanning electron micrograph (SEM) of a human lip, showing sweat gland openings on the drier external lip surface. These openings (pores) release sweat onto the surface of the skin
    Temporomandibular joint, computer illustration — Stock Photo
    Temporomandibular joint, computer illustration
    Macro shot of raft spider Dolomedes fimbriatus with cobweb eating prey insect on blooming flower in nature with black background — Stock Photo
    Macro shot of raft spider Dolomedes fimbriatus with cobweb eating prey insect on blooming flower in nature with black background
    Hepatocyte cells, light micrograph. Hepatocyte cells are the main parenchymal tissue cells of the liver. Haematoxylin and eosin stain. — Stock Photo
    Hepatocyte cells, light micrograph. Hepatocyte cells are the main parenchymal tissue cells of the liver. Haematoxylin and eosin stain.
    Macro shot of wild Praying Mantis insect camouflaged with dry leaves eating plant in nature — Stock Photo
    Macro shot of wild Praying Mantis insect camouflaged with dry leaves eating plant in nature
    Breast bone, computer illustration — Stock Photo
    Breast bone, computer illustration
    Human tendon, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Human tendon, light micrograph. Haematoxylin and eosin stain.
    Macro shot of head of European hornet or Vespa crabro insect largest eusocial wasp native to Europe against blurred dark background in nature — Stock Photo
    Macro shot of head of European hornet or Vespa crabro insect largest eusocial wasp native to Europe against blurred dark background in nature
    Light micrograph of an artery vascular cross section. — Stock Photo
    Light micrograph of an artery vascular cross section.
    Macro shot of head of European hornet or Vespa crabro insect largest eusocial wasp native to Europe against blurred dark background in nature — Stock Photo
    Macro shot of head of European hornet or Vespa crabro insect largest eusocial wasp native to Europe against blurred dark background in nature
    Light micrograph of a colon biopsy from a colonoscopy. The pathology report describes normal colonic mucosa fragment with colic glands. Haematoxylin and eosin stain. — Stock Photo
    Light micrograph of a colon biopsy from a colonoscopy. The pathology report describes normal colonic mucosa fragment with colic glands. Haematoxylin and eosin stain.
    Sacrum bone, computer illustration — Stock Photo
    Sacrum bone, computer illustration
    Light micrograph of adipose tissue containing large lipid droplet. — Stock Photo
    Light micrograph of adipose tissue containing large lipid droplet.
    Human cartilage, light micrograph. Cross section of human cartilage bone. Haematoxylin and eosin stain. — Stock Photo
    Human cartilage, light micrograph. Cross section of human cartilage bone. Haematoxylin and eosin stain.
    Human Femur, computer illustration — Stock Photo
    Human Femur, computer illustration
    Closeup of Southern hawker or Blue hawker Aeshna cyanea dragonfly feeding on captive insect against black background — Stock Photo
    Closeup of Southern hawker or Blue hawker Aeshna cyanea dragonfly feeding on captive insect against black background
    Leaf epidermis, light micrograph. The leaf epidermis under light microscope view has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration. — Stock Photo
    Leaf epidermis, light micrograph. The leaf epidermis under light microscope view has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration.
    Motor neurons, light micrograph. Motor neurons of the spinal cord are part of the central nervous system. Haematoxylin and eosin stain. — Stock Photo
    Motor neurons, light micrograph. Motor neurons of the spinal cord are part of the central nervous system. Haematoxylin and eosin stain.
    Sacrum bone, computer illustration — Stock Photo
    Sacrum bone, computer illustration
    Closeup of beautiful butterfly Aricia montensis known as moray eel lepidopteran insect with spotted wings sitting on mirrored water surface in nature — Stock Photo
    Closeup of beautiful butterfly Aricia montensis known as moray eel lepidopteran insect with spotted wings sitting on mirrored water surface in nature
    Human Humerus, computer illustration — Stock Photo
    Human Humerus, computer illustration
    Closeup of Arniella Cucurbitina spider hanging on thin cobweb in nature against blurred gray background — Stock Photo
    Closeup of Arniella Cucurbitina spider hanging on thin cobweb in nature against blurred gray background
    Macro shot of tiny mosquito larvae underwater with air bubbles on nature with green background — Stock Photo
    Macro shot of tiny mosquito larvae underwater with air bubbles on nature with green background
    Macro shot of green Ruspolia nitidula bush cricket known as cone headed grasshopper sitting on blooming Canterbury bells flower in nature — Stock Photo
    Macro shot of green Ruspolia nitidula bush cricket known as cone headed grasshopper sitting on blooming Canterbury bells flower in nature
    Human Teeth, computer illustration — Stock Photo
    Human Teeth, computer illustration
    Activated platelets in a blood smear with red blood cells, illustration. — Stock Photo
    Activated platelets in a blood smear with red blood cells, illustration.
    Closeup of Iberian emerald lizard Lacerta schreiberi known as Schreibers green lizard sitting on old wooden log in wild nature — Stock Photo
    Closeup of Iberian emerald lizard Lacerta schreiberi known as Schreibers green lizard sitting on old wooden log in wild nature
    Closeup of pair of wood white butterflies or Leptidea sinapis sitting on green foliage in forest — Stock Photo
    Closeup of pair of wood white butterflies or Leptidea sinapis sitting on green foliage in forest
    Ulna bone, computer illustration — Stock Photo
    Ulna bone, computer illustration
    Hair follicles. Coloured scanning electron micrograph (SEM). The outer layer of hair (the cuticle) has overlapping scales of keratin. These scales are thought to prevent hairs from matting together — Stock Photo
    Hair follicles. Coloured scanning electron micrograph (SEM). The outer layer of hair (the cuticle) has overlapping scales of keratin. These scales are thought to prevent hairs from matting together
    Activated platelets, computer illustration — Stock Photo
    Activated platelets, computer illustration
    Macro shot of nymph or larva of Southern hawker or Blue hawker Aeshna cyanea dragonfly swimming in water pond with grass — Stock Photo
    Macro shot of nymph or larva of Southern hawker or Blue hawker Aeshna cyanea dragonfly swimming in water pond with grass
    Jaw bone, computer illustration — Stock Photo
    Jaw bone, computer illustration
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (yellow) — Stock Photo
    Gall bladder. Coloured scanning electron micrograph (SEM) of the surface of a gall bladder. This mucosa lining is made up of cuboidal epithelial cells (yellow)
    Thoracic spine, computer illustration — Stock Photo
    Thoracic spine, computer illustration
    Hip bone, computer illustration — Stock Photo
    Hip bone, computer illustration
    Cross section of human cartilage and bone, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Cross section of human cartilage and bone, light micrograph. Haematoxylin and eosin stain.
    Closeup of spotted yellow colored fire salamander Salamandra salamandra on wet grassy ground in nature — Stock Photo
    Closeup of spotted yellow colored fire salamander Salamandra salamandra on wet grassy ground in nature
    Macro shot of small tadpole of frog or toad is larval stage in life cycle of amphibian animal — Stock Photo
    Macro shot of small tadpole of frog or toad is larval stage in life cycle of amphibian animal
    Human brain with highlighted corpus callosum, also known as callosal commissure, illustration. It is a wide, thick nerve tract connecting the left and right cerebral hemispheres. — Stock Photo
    Human brain with highlighted corpus callosum, also known as callosal commissure, illustration. It is a wide, thick nerve tract connecting the left and right cerebral hemispheres.
    Jaw bone, computer illustration — Stock Photo
    Jaw bone, computer illustration
    Fat cell. Coloured scanning electron micrograph (SEM) of part of a fat-storing cell (adipocytes). Fat cells are one of the largest cell types in the human body, each cell being 100 to 120 microns in diameter — Stock Photo
    Fat cell. Coloured scanning electron micrograph (SEM) of part of a fat-storing cell (adipocytes). Fat cells are one of the largest cell types in the human body, each cell being 100 to 120 microns in diameter
    Knee joint, computer illustration — Stock Photo
    Knee joint, computer illustration
    Hand bones, computer illustration — Stock Photo
    Hand bones, computer illustration
    Human Lunate, computer illustration — Stock Photo
    Human Lunate, computer illustration
    Popliteus muscle, computer illustration — Stock Photo
    Popliteus muscle, computer illustration
    Areolar connective tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Areolar connective tissue, light micrograph. Haematoxylin and eosin stain.