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    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.
    Illustration of human egg cell on blue background. — Stock Photo
    Illustration of human egg cell on blue background.
    Illustration of sperm around human egg cell. — Stock Photo
    Illustration of sperm around human egg cell.
    Gymnodoris ceylonica nudibranch — Stock Photo
    Gymnodoris ceylonica nudibranch
    White blood cells — Stock Photo
    White blood cells
    Chlamydia trachomatis bacteria cells, digital illustration. — Stock Photo
    Chlamydia trachomatis bacteria cells, digital illustration.
    Radiolarians amoeboid protozoa — Stock Photo
    Radiolarians amoeboid protozoa
    Radiolarians amoeboid protozoa — Stock Photo
    Radiolarians amoeboid protozoa
    Older man looking out binoculars on edge of boat — Stock Photo
    Older man looking out binoculars on edge of boat
    Medical illustration of fetus in the womb with labels — Stock Photo
    Medical illustration of fetus in the womb with labels
    Illustration of transparent cancer cell on blue background. — Stock Photo
    Illustration of transparent cancer cell on blue background.
    Testicular cancer or teratoma — Stock Photo
    Testicular cancer or teratoma
    Male sex cell — Stock Photo
    Male sex cell
    Dead bluebottle fly — Stock Photo
    Dead bluebottle fly
    Human sperm cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Human sperm cell, coloured scanning electron micrograph (SEM).
    Sharp spines covering crown-of-thorns starfish — Stock Photo
    Sharp spines covering crown-of-thorns starfish
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Medical illustration of gall bladder ganglion anatomy — Stock Photo
    Medical illustration of gall bladder ganglion anatomy
    Structure of islet of langerhans, light micrograph. — Stock Photo
    Structure of islet of langerhans, light micrograph.
    Illustration of human egg cell and sperm on blue background. — Stock Photo
    Illustration of human egg cell and sperm on blue background.
    Soft coral polyps growing on reef — Stock Photo
    Soft coral polyps growing on reef
    Educational device for optical experiments — Stock Photo
    Educational device for optical experiments
    Soft coral on Fijian reef — Stock Photo
    Soft coral on Fijian reef
    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.
    Yellow tube coral polyp mouth — Stock Photo
    Yellow tube coral polyp mouth
    Red blood cells — Stock Photo
    Red blood cells
    Illustration of illuminated red human cancer cells. — Stock Photo
    Illustration of illuminated red human cancer cells.
    Pygmy Seahorse closeup shot — Stock Photo
    Pygmy Seahorse closeup shot
    Soft coral polyps growing on reef — Stock Photo
    Soft coral polyps growing on reef
    Illustration of illuminated red cancer cell on black background. — Stock Photo
    Illustration of illuminated red cancer cell on black background.
    Illustration of human egg cell dividing on blue background. — Stock Photo
    Illustration of human egg cell dividing on blue background.
    Kidney with acute nephritis — Stock Photo
    Kidney with acute nephritis
    Laughing girl student at microscope in laboratory classroom — Stock Photo
    Laughing girl student at microscope in laboratory classroom
    Ascaris Roundworm ovaries — Stock Photo
    Ascaris Roundworm ovaries
    Translucent shrimp crawling on bubble coral — Stock Photo
    Translucent shrimp crawling on bubble coral
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake — Stock Photo
    Snake red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, red) in a small blood vessel of a snake
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Illustration of illuminated red human cancer cell. — Stock Photo
    Illustration of illuminated red human cancer cell.
    Ascaris Roundworm ovaries — Stock Photo
    Ascaris Roundworm ovaries
    Closeup of magnified grey fluffy head of flying insect with round convex rainbow eyes — Stock Photo
    Closeup of magnified grey fluffy head of flying insect with round convex rainbow eyes
    Cup coral polyps under ledge — Stock Photo
    Cup coral polyps under ledge
    Soft coral revealing spicules — Stock Photo
    Soft coral revealing spicules
    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.
    Blue cancer cells, digital illustration. — Stock Photo
    Blue cancer cells, digital illustration.
    Eager, smiling students raising hands in science laboratory classroom — Stock Photo
    Eager, smiling students raising hands in science laboratory classroom
    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.
    Digital artwork of green cancer cell on tissue surface. — Stock Photo
    Digital artwork of green cancer cell on tissue surface.
    Adenocarcinoma of the endometrium — Stock Photo
    Adenocarcinoma of the endometrium
    Schooling anthias fish and corals — Stock Photo
    Schooling anthias fish and corals
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    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.
    Nurses with clipboard examining magnified microscope slide on computer monitor — Stock Photo
    Nurses with clipboard examining magnified microscope slide on computer monitor
    Fossilised fragment of a coccolithotrope skeleton — Stock Photo
    Fossilised fragment of a coccolithotrope skeleton
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    Woman with mole on shoulder being examined through dermatoscope. — Stock Photo
    Woman with mole on shoulder being examined through dermatoscope.
    Risbecia tryoni nudibranch in Beqa Lagoon — Stock Photo
    Risbecia tryoni nudibranch in Beqa Lagoon
    Anemonefish eggs on seafloor — Stock Photo
    Anemonefish eggs on seafloor
    Dense connective tissue, coloured scanning electron micrograph (SEM). — Stock Photo
    Dense connective tissue, coloured scanning electron micrograph (SEM).
    Female nurse with clipboard looking at magnified microscope slide on computer monitor — Stock Photo
    Female nurse with clipboard looking at magnified microscope slide on computer monitor