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    Human embryonic stem cells, digital illustration. — Stock Photo
    Human embryonic stem cells, digital illustration.
    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.
    Colorful sea star skin closeup shot, Lembeh Strait, Indonesia — Stock Photo
    Colorful sea star skin closeup shot, Lembeh Strait, Indonesia
    Polyps of Galaxea coral colony — Stock Photo
    Polyps of Galaxea coral colony
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection. — Stock Photo
    Digital illustration of female reproductive system and Chlamydia trachomatis bacteria causing Chlamydial infection.
    Stony coral in Wakatobi National Park — Stock Photo
    Stony coral in Wakatobi National Park
    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
    Illustration of illuminated cancer cells on black background. — Stock Photo
    Illustration of illuminated cancer cells on black background.
    Illustration of human egg cell on blue background. — Stock Photo
    Illustration of human egg cell on blue background.
    Hoverfly head anatomy — Stock Photo
    Hoverfly head anatomy
    Activated human macrophage — Stock Photo
    Activated human macrophage
    Colored digital illustration of green cancer cells. — Stock Photo
    Colored digital illustration of green cancer cells.
    Fossilised fragment of a coccolithotrope skeleton — Stock Photo
    Fossilised fragment of a coccolithotrope skeleton
    Mosquito head anatomy — Stock Photo
    Mosquito head anatomy
    Colored digital illustration of pink cancer cells. — Stock Photo
    Colored digital illustration of pink cancer cells.
    Magnifying glass above road map — Stock Photo
    Magnifying glass above road map
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Ascaris Roundworm ovaries — Stock Photo
    Ascaris Roundworm ovaries
    Tree coral on Fijian reef — Stock Photo
    Tree coral on Fijian reef
    Illustration of diverticulitis in the descending colon of the human intestine — Stock Photo
    Illustration of diverticulitis in the descending colon of the human intestine
    Closeup of magnified part of black and brown ant with legs — Stock Photo
    Closeup of magnified part of black and brown ant with legs
    Dust mite on skin surface — Stock Photo
    Dust mite on skin surface
    Egg coil of Spanish Dancer nudibranch — Stock Photo
    Egg coil of Spanish Dancer nudibranch
    Illustration of 8 cell stage egg on blue background. — Stock Photo
    Illustration of 8 cell stage egg on blue background.
    Clostridium phytofermentans bacteria — Stock Photo
    Clostridium phytofermentans bacteria
    Skeletal muscle fibres — Stock Photo
    Skeletal muscle fibres
    Kidney with acute nephritis — Stock Photo
    Kidney with acute nephritis
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Phyllidia varicosa nudibranch — Stock Photo
    Phyllidia varicosa nudibranch
    Saltwater shrimp on bubble coral — Stock Photo
    Saltwater shrimp on bubble coral
    Digital illustration of red cancer cells, full frame. — Stock Photo
    Digital illustration of red cancer cells, full frame.
    Translucent shrimp crawling on bubble coral — Stock Photo
    Translucent shrimp crawling on bubble coral
    Focused jeweler working in workshop — Stock Photo
    Focused jeweler working in workshop
    Binoculars overlooking still lake in rural landscape in Banff, Alberta, Canada — Stock Photo
    Binoculars overlooking still lake in rural landscape in Banff, Alberta, Canada
    Sperm cell with multiple tails — Stock Photo
    Sperm cell with multiple tails
    Microscopic view of birch tree pollen on green background — Stock Photo
    Microscopic view of birch tree pollen on green background
    Illustration of yellow human egg cell on blue background. — Stock Photo
    Illustration of yellow human egg cell on blue background.
    Tiny shrimp on starfish in Lembeh Strait, Indonesia — Stock Photo
    Tiny shrimp on starfish in Lembeh Strait, Indonesia
    Human embryonic stem cells, digital illustration. — Stock Photo
    Human embryonic stem cells, digital illustration.
    Phyllidia coelestis nudibranch — Stock Photo
    Phyllidia coelestis nudibranch
    Eye test equipment in a laboratory — Stock Photo
    Eye test equipment in a laboratory
    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.
    Coral polyps closeup shot — Stock Photo
    Coral polyps closeup shot
    Girl students using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Girl students using microscope, conducting scientific experiment in laboratory classroom
    Illustration of 2 cell stage egg on black background. — Stock Photo
    Illustration of 2 cell stage egg on black background.
    Male jeweler using headband magnifier making jewelry in workshop — Stock Photo
    Male jeweler using headband magnifier making jewelry in workshop
    Soft coral revealing spicules — Stock Photo
    Soft coral revealing spicules
    Portrait playful girl student holding molecular structure on head at microscope in laboratory classroom — Stock Photo
    Portrait playful girl student holding molecular structure on head at microscope in laboratory classroom
    Risbecia tryoni nudibranch in Beqa Lagoon — Stock Photo
    Risbecia tryoni nudibranch in Beqa Lagoon
    Colorful dorsal fin of scorpionfish — Stock Photo
    Colorful dorsal fin of scorpionfish
    Colorful mushroom coral surface — Stock Photo
    Colorful mushroom coral surface
    Mouth of large coral polyp — Stock Photo
    Mouth of large coral polyp
    Soft coral polyps feeding — Stock Photo
    Soft coral polyps feeding
    Ductal carcinoma of the breast — Stock Photo
    Ductal carcinoma of the breast
    Digital artwork of illuminated red human cancer cell. — Stock Photo
    Digital artwork of illuminated red human cancer cell.
    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.
    Ladybug amphipod closeup shot — Stock Photo
    Ladybug amphipod closeup shot
    Shell of a radiolarian — Stock Photo
    Shell of a radiolarian
    Medical illustration of female breast anatomy — Stock Photo
    Medical illustration of female breast anatomy
    Veterinarian examining dog ears in veterinary surgery — Stock Photo
    Veterinarian examining dog ears in veterinary surgery