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    Eager girl students raising arms behind microscopes in laboratory classroom — Stock Photo
    Eager girl students raising arms behind microscopes in laboratory classroom
    Testicular cancer or teratoma — Stock Photo
    Testicular cancer or teratoma
    Lactating breast tissue — Stock Photo
    Lactating breast tissue
    Soft coral polyps — Stock Photo
    Soft coral polyps
    Flu virus particle structure — Stock Photo
    Flu virus particle structure
    Soft coral polyps — Stock Photo
    Soft coral polyps
    Colored digital artwork of cancer cell. — Stock Photo
    Colored digital artwork of cancer cell.
    Risbecia tryoni nudibranch in Beqa Lagoon — Stock Photo
    Risbecia tryoni nudibranch in Beqa Lagoon
    Activated human macrophage — Stock Photo
    Activated human macrophage
    Blue cells on black background, digital illustration. — Stock Photo
    Blue cells on black background, digital illustration.
    Conceptual illustration of piece of cake and magnification of bacteria of food-borne infection on white background. — Stock Photo
    Conceptual illustration of piece of cake and magnification of bacteria of food-borne infection on white background.
    Medical illustration of blood clotting process inside artery — Stock Photo
    Medical illustration of blood clotting process inside artery
    Cup coral polyps under ledge — Stock Photo
    Cup coral polyps under ledge
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Colorful mushroom coral surface — Stock Photo
    Colorful mushroom coral surface
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Medical illustration of female breast anatomy — Stock Photo
    Medical illustration of female breast anatomy
    Mosquito head anatomy — Stock Photo
    Mosquito head anatomy
    Breast with lobular carcinoma — Stock Photo
    Breast with lobular carcinoma
    Radiolarians amoeboid protozoa — Stock Photo
    Radiolarians amoeboid protozoa
    Healthy intestinal villi — Stock Photo
    Healthy intestinal villi
    Shell of a radiolarian — Stock Photo
    Shell of a radiolarian
    Woman looking through spotting scope, Wyoming, USA — Stock Photo
    Woman looking through spotting scope, Wyoming, USA
    Escherichia coli bacteria on gecko tongue — Stock Photo
    Escherichia coli bacteria on gecko tongue
    Medical illustration of the organ of Corti anatomy — Stock Photo
    Medical illustration of the organ of Corti anatomy
    Dust mite on skin surface — Stock Photo
    Dust mite on skin surface
    Redheaded boy using light microscope for studying on meadow. — Stock Photo
    Redheaded boy using light microscope for studying on meadow.
    Cropped view of engineer using stereo microscope for inspecting printed circuit board. — Stock Photo
    Cropped view of engineer using stereo microscope for inspecting printed circuit board.
    Texture on mushroom coral — Stock Photo
    Texture on mushroom coral
    Schooling anthias fish and corals — Stock Photo
    Schooling anthias fish and corals
    Digital artwork of green cancer cell on tissue surface. — Stock Photo
    Digital artwork of green cancer cell on tissue surface.
    Digital illustration of green cancer cells. — Stock Photo
    Digital illustration of green cancer cells.
    Medical illustration of diverticulosis in the colon — Stock Photo
    Medical illustration of diverticulosis in the colon
    Coral colony fluorescing in ultraviolet light — Stock Photo
    Coral colony fluorescing in ultraviolet light
    Tiny shrimp on starfish in Lembeh Strait, Indonesia — Stock Photo
    Tiny shrimp on starfish in Lembeh Strait, Indonesia
    Illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Illustration of cancer cell being attacked by white blood cells.
    Chromodoris kuniei nudibranch — Stock Photo
    Chromodoris kuniei nudibranch
    Heart strings strings — Stock Photo
    Heart strings strings
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Activated platelet from peripheral blood — Stock Photo
    Activated platelet from peripheral blood
    Ascaris Roundworm ovaries — Stock Photo
    Ascaris Roundworm ovaries
    Soft coral on Fijian reef — Stock Photo
    Soft coral on Fijian reef
    Illustration of dividing cancer cell on blue background. — Stock Photo
    Illustration of dividing cancer cell on blue background.
    Fibroblast cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Fibroblast cell, coloured scanning electron micrograph (SEM).
    Epithelium of a foliate papillae of the tongue — Stock Photo
    Epithelium of a foliate papillae of the tongue
    Mushroom coral closeup shot — Stock Photo
    Mushroom coral closeup shot
    Cat flea head — Stock Photo
    Cat flea head
    Enterococcus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Enterococcus coccoid bacteria, colored scanning electron micrograph.
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    Carcinoma of the prostate — Stock Photo
    Carcinoma of the prostate
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Closeup of magnified grey head of flying insect with round convex brown eyes — Stock Photo
    Closeup of magnified grey head of flying insect with round convex brown eyes
    Chromodoris kuniei nudibranch in Beqa Lagoon — Stock Photo
    Chromodoris kuniei nudibranch in Beqa Lagoon
    Ladybug amphipod closeup shot — Stock Photo
    Ladybug amphipod closeup shot
    Nerve bundle from the sciatic nerve — Stock Photo
    Nerve bundle from the sciatic nerve
    Colored digital illustration of green cancer cell. — Stock Photo
    Colored digital illustration of green cancer cell.
    Texture Macro Photography of Peacock ore (Chalcopyrite treated with acid) from Mexico; a copper ore — Stock Photo
    Texture Macro Photography of Peacock ore (Chalcopyrite treated with acid) from Mexico; a copper ore
    Haversian canals in compact bone, light micrograph. — Stock Photo
    Haversian canals in compact bone, light micrograph.
    House dust mites — Stock Photo
    House dust mites
    Illustration of a 8 cell stage egg on black background. — Stock Photo
    Illustration of a 8 cell stage egg on black background.