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    Colored human embryonic stem cells, digital illustration. — Stock Photo
    Colored human embryonic stem cells, digital illustration.
    Mid section of scientist in laboratory mixing samples of soil with reagent. — Stock Photo
    Mid section of scientist in laboratory mixing samples of soil with reagent.
    Scientist in rubber gloves using equipment in laboratory — Stock Photo
    Scientist in rubber gloves using equipment in laboratory
    Normal red blood cells — Stock Photo
    Normal red blood cells
    Digital illustration of blue virus particles on white background. — Stock Photo
    Digital illustration of blue virus particles on white background.
    Destruction of cancer cell — Stock Photo
    Destruction of cancer cell
    Od shaped bacteria Tragelaphus — Stock Photo
    Od shaped bacteria Tragelaphus
    Female mosquito on skin — Stock Photo
    Female mosquito on skin
    Spine, rib cage and arm bones — Stock Photo
    Spine, rib cage and arm bones
    Human embryonic stem cell on pin tip, conceptual digital artwork. — Stock Photo
    Human embryonic stem cell on pin tip, conceptual digital artwork.
    Stachybotrys fungus on white background, digital illustration. — Stock Photo
    Stachybotrys fungus on white background, digital illustration.
    Dislocated hip replacement — Stock Photo
    Dislocated hip replacement
    Adult worker Honey bee — Stock Photo
    Adult worker Honey bee
    View of Fetus at 24 weeks — Stock Photo
    View of Fetus at 24 weeks
    Cervical spine vertebrae — Stock Photo
    Cervical spine vertebrae
    Severe osteoarthritis of ankle — Stock Photo
    Severe osteoarthritis of ankle
    Red blood cells and blood vessel — Stock Photo
    Red blood cells and blood vessel
    Scientist preparing chemical liquid in laboratory flask. — Stock Photo
    Scientist preparing chemical liquid in laboratory flask.
    View of Fetus at 8 weeks — Stock Photo
    View of Fetus at 8 weeks
    Plant seedling in soil in Petri dish and tweezers in laboratory. — Stock Photo
    Plant seedling in soil in Petri dish and tweezers in laboratory.
    Prosthetic heart valves — Stock Photo
    Prosthetic heart valves
    Normal blood cells in artery — Stock Photo
    Normal blood cells in artery
    Cancer cell, scientific digital illustration. — Stock Photo
    Cancer cell, scientific digital illustration.
    Close-up of parasitic amoeba in human intestine, digital artwork. — Stock Photo
    Close-up of parasitic amoeba in human intestine, digital artwork.
    Crop anonymous scientist in protective gloves standing showing pile of capsules on bottle in laboratory — Stock Photo
    Crop anonymous scientist in protective gloves standing showing pile of capsules on bottle in laboratory
    Abstract group of particles of viruses, computer illustration. — Stock Photo
    Abstract group of particles of viruses, computer illustration.
    Curious kids enjoying interactive foam exhibit in science center — Stock Photo
    Curious kids enjoying interactive foam exhibit in science center
    Sickle cell anaemia — Stock Photo
    Sickle cell anaemia
    Close-up of microbes and fungus growing on agar plate. — Stock Photo
    Close-up of microbes and fungus growing on agar plate.
    Scientific survey research ship — Stock Photo
    Scientific survey research ship
    3d illustration of running human shaped transparent sculpture. — Stock Photo
    3d illustration of running human shaped transparent sculpture.
    The heart in the constellation Cygnus and North America nebula and Pelican, preserved under sky light pollution — Stock Photo
    The heart in the constellation Cygnus and North America nebula and Pelican, preserved under sky light pollution
    Parasitic tick biting skin — Stock Photo
    Parasitic tick biting skin
    Land snail covered by white frost on dry stem. — Stock Photo
    Land snail covered by white frost on dry stem.
    Group of laboratory test tubes with colored liquids. — Stock Photo
    Group of laboratory test tubes with colored liquids.
    Transparent cells on white background, digital illustration. — Stock Photo
    Transparent cells on white background, digital illustration.
    Illustration of lipid blood clot in circulatory system. — Stock Photo
    Illustration of lipid blood clot in circulatory system.
    Illustration of malaria infected blood cells. — Stock Photo
    Illustration of malaria infected blood cells.
    Viral particle infection blood stream — Stock Photo
    Viral particle infection blood stream
    Human brain cross-section — Stock Photo
    Human brain cross-section
    3d illustration of running human shaped colorful sculpture. — Stock Photo
    3d illustration of running human shaped colorful sculpture.
    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.
    View of Fetus at 37 weeks — Stock Photo
    View of Fetus at 37 weeks
    Localization of pain in shoulder joint — Stock Photo
    Localization of pain in shoulder joint
    Magnified digital illustration of human cell cross-section. — Stock Photo
    Magnified digital illustration of human cell cross-section.
    Visual rendering of Sleeping sickness — Stock Photo
    Visual rendering of Sleeping sickness
    Stable fly with large proboscis, close-up. — Stock Photo
    Stable fly with large proboscis, close-up.
    Red blood cells — Stock Photo
    Red blood cells
    University students performing experiment in lab — Stock Photo
    University students performing experiment in lab
    Normal sperm cells — Stock Photo
    Normal sperm cells
    Colony of Clostridium bacteria — Stock Photo
    Colony of Clostridium bacteria
    Colored digital artwork of cancer cell. — Stock Photo
    Colored digital artwork of cancer cell.
    Closeup view of scientist analyzing bacterial colonies — Stock Photo
    Closeup view of scientist analyzing bacterial colonies
    Close-up of scientist hand holding Petri dish in pathology laboratory. — Stock Photo
    Close-up of scientist hand holding Petri dish in pathology laboratory.
    Close-up of Eppendorf tubes in rack. — Stock Photo
    Close-up of Eppendorf tubes in rack.
    Narrowed artery causing atherosclerosis — Stock Photo
    Narrowed artery causing atherosclerosis
    Blood sucking common Bedbug — Stock Photo
    Blood sucking common Bedbug
    Human esophagus and stomach — Stock Photo
    Human esophagus and stomach
    Digital illustration of blue rod-shaped bacteria on grey background. — Stock Photo
    Digital illustration of blue rod-shaped bacteria on grey background.
    3d illustration of cancer cell attacked and killed by lymphocytes. — Stock Photo
    3d illustration of cancer cell attacked and killed by lymphocytes.