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497 results

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    Immature parasitic trematode — Stock Photo
    Immature parasitic trematode
    Clothes moth wing scales — Stock Photo
    Clothes moth wing scales
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Human embryonic stem cells, digital illustration. — Stock Photo
    Human embryonic stem cells, digital illustration.
    Girl student using microscope in classroom — Stock Photo
    Girl student using microscope in classroom
    Electron micrograph of dental plaque — Stock Photo
    Electron micrograph of dental plaque
    Closeup of magnified yellow striped eyes on head of exotic fly — Stock Photo
    Closeup of magnified yellow striped eyes on head of exotic fly
    Closeup side view yellow flying wasp folding leg — Stock Photo
    Closeup side view yellow flying wasp folding leg
    Illustration of yellow human egg cell on blue background. — Stock Photo
    Illustration of yellow human egg cell on blue background.
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Closeup yellow flying wasp folding legs and looking at camera with big green eyes — Stock Photo
    Closeup yellow flying wasp folding legs and looking at camera with big green eyes
    Illustration of green illuminated cancer cell. — Stock Photo
    Illustration of green illuminated cancer cell.
    Silica wall of a diatom — Stock Photo
    Silica wall of a diatom
    Scientist using microscope in laboratory — Stock Photo
    Scientist using microscope in laboratory
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    Fossilised fragment of a coccolithotrope skeleton — Stock Photo
    Fossilised fragment of a coccolithotrope skeleton
    Close up of microscope in laboratory — Stock Photo
    Close up of microscope in laboratory