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500 results

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    Human blood cells — Stock Photo
    Human blood cells
    Heart strings strings — Stock Photo
    Heart strings strings
    Aspen leaf on birch bark in autumn, close-up — Stock Photo
    Aspen leaf on birch bark in autumn, close-up
    Haversian canals in compact bone, light micrograph. — Stock Photo
    Haversian canals in compact bone, light micrograph.
    Possible global pandemic. Vaccine study for the Coronavirus virus. — Stock Photo
    Possible global pandemic. Vaccine study for the Coronavirus virus.
    Illustration of human egg cell dividing on blue background. — Stock Photo
    Illustration of human egg cell dividing on blue background.
    Male sex cell — Stock Photo
    Male sex cell
    Red blood cells — Stock Photo
    Red blood cells
    Fibroblast cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Fibroblast cell, coloured scanning electron micrograph (SEM).
    Activated platelet from peripheral blood — Stock Photo
    Activated platelet from peripheral blood
    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
    Illustration of 4 cell stage egg on black background. — Stock Photo
    Illustration of 4 cell stage egg on black background.
    Red blood cells — Stock Photo
    Red blood cells
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    Human sperm cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Human sperm cell, coloured scanning electron micrograph (SEM).
    Conceptual illustration of chicken eggs in carton and magnification of bacteria of food-borne infection on white background. — Stock Photo
    Conceptual illustration of chicken eggs in carton and magnification of bacteria of food-borne infection on white background.
    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.
    Red blood cells, digital illustration. — Stock Photo
    Red blood cells, digital illustration.
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria. — Stock Photo
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria.
    Veterinarian examining cat in veterinary surgery — Stock Photo
    Veterinarian examining cat in veterinary surgery
    Close up of microscope in laboratory — Stock Photo
    Close up of microscope in laboratory
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria. — Stock Photo
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria.
    Structure of compact bone, light micrograph. — Stock Photo
    Structure of compact bone, light micrograph.
    Electron micrograph of dental plaque — Stock Photo
    Electron micrograph of dental plaque
    Flu virus particle structure — Stock Photo
    Flu virus particle structure
    Radiolarians amoeboid protozoa — Stock Photo
    Radiolarians amoeboid protozoa
    Closeup magnified part of black and brown ant with glossy head and legs — Stock Photo
    Closeup magnified part of black and brown ant with glossy head and legs
    Human sperm cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Human sperm cell, coloured scanning electron micrograph (SEM).
    Arachnoidiscus sp. diatom algae — Stock Photo
    Arachnoidiscus sp. diatom algae
    Couple using coin-operated binoculars on pier — Stock Photo
    Couple using coin-operated binoculars on pier
    Digital artwork of white blood cells attacking illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking illuminated cancer cell.
    Eager girl students raising arms behind microscopes in laboratory classroom — Stock Photo
    Eager girl students raising arms behind microscopes in laboratory classroom
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Focused boy students using digital tablet at microscope in laboratory classroom — Stock Photo
    Focused boy students using digital tablet at microscope in laboratory classroom
    Red blood cells and platelets — Stock Photo
    Red blood cells and platelets
    Vanity mirror hanging on modern bathroom wall — Stock Photo
    Vanity mirror hanging on modern bathroom wall
    Colored digital illustration of green cancer cell. — Stock Photo
    Colored digital illustration of green cancer cell.
    Arachnoidiscus sp. diatom algae — Stock Photo
    Arachnoidiscus sp. diatom algae
    Illustration of human egg cell on blue background. — Stock Photo
    Illustration of human egg cell on blue background.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Female scientist using microscope in laboratory — Stock Photo
    Female scientist using microscope in laboratory
    Illustration of dividing cancer cell on blue background. — Stock Photo
    Illustration of dividing cancer cell on blue background.
    Digital artwork of purple cancer cell on tissue surface. — Stock Photo
    Digital artwork of purple cancer cell on tissue surface.
    Blue cells on black background, digital illustration. — Stock Photo
    Blue cells on black background, digital illustration.
    Illustration of illuminated red cancer cell on black background. — Stock Photo
    Illustration of illuminated red cancer cell on black background.
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp. — Stock Photo
    Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp.
    Bluebottle fly foot — Stock Photo
    Bluebottle fly foot
    House dust mites — Stock Photo
    House dust mites
    Flu virus particle structure — Stock Photo
    Flu virus particle structure
    Structure of islet of langerhans, light micrograph. — Stock Photo
    Structure of islet of langerhans, light micrograph.
    Transparent cells on grey background, digital illustration. — Stock Photo
    Transparent cells on grey background, digital illustration.
    Acrospaera radiolarian shell — Stock Photo
    Acrospaera radiolarian shell
    Lung cancer cells — Stock Photo
    Lung cancer cells
    Radiolarians amoeboid protozoa — Stock Photo
    Radiolarians amoeboid protozoa
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Close up of smiling couple using opera glasses in theater audience — Stock Photo
    Close up of smiling couple using opera glasses in theater audience
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria. — Stock Photo
    Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria.
    Illustration of blue cancer cell on blue background. — Stock Photo
    Illustration of blue cancer cell on blue background.
    Section of a muscular artery — Stock Photo
    Section of a muscular artery
    Sperm cell with multiple tails — Stock Photo
    Sperm cell with multiple tails