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    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Veterinarian examining cat in veterinary surgery — Stock Photo
    Veterinarian examining cat in veterinary surgery
    Electron micrograph of Bacteria and yeast — Stock Photo
    Electron micrograph of Bacteria and yeast
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Ruptured venule running through fatty tissue — Stock Photo
    Ruptured venule running through fatty tissue
    Tozeuma shrimp on coral branch — Stock Photo
    Tozeuma shrimp on coral branch
    Male jeweler using headband magnifier making jewelry in workshop — Stock Photo
    Male jeweler using headband magnifier making jewelry in workshop
    House dust mites — Stock Photo
    House dust mites
    Illustration of illuminated red cancer cell on black background. — Stock Photo
    Illustration of illuminated red cancer cell on black background.
    Illustration of pink human egg cell on black background. — Stock Photo
    Illustration of pink human egg cell on black background.
    Gymnodoris ceylonica nudibranch — Stock Photo
    Gymnodoris ceylonica nudibranch
    Illustration of 2 cell stage egg on blue background. — Stock Photo
    Illustration of 2 cell stage egg on blue background.
    Digital artwork of green cancer cell on tissue surface. — Stock Photo
    Digital artwork of green cancer cell on tissue surface.
    Male sex cell — Stock Photo
    Male sex cell
    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
    Mating Nembrotha chamberlaini nudibranchs — Stock Photo
    Mating Nembrotha chamberlaini nudibranchs
    Colored digital illustration of green cancer cell. — Stock Photo
    Colored digital illustration of green cancer cell.
    Enterococcus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Enterococcus coccoid bacteria, colored scanning electron micrograph.
    Boy looking through a microscope at autumn leaves, California, United States — Stock Photo
    Boy looking through a microscope at autumn leaves, California, United States
    Medical illustration of female breast anatomy — Stock Photo
    Medical illustration of female breast anatomy
    Female scientist using microscope in laboratory — Stock Photo
    Female scientist using microscope in laboratory
    Laughing girl student at microscope in laboratory classroom — Stock Photo
    Laughing girl student at microscope in laboratory classroom
    Digital artwork of red cancer cell on tissue surface. — Stock Photo
    Digital artwork of red cancer cell on tissue surface.
    Side view of orange fluffy flying incest with brown antennae and ornamental large eye — Stock Photo
    Side view of orange fluffy flying incest with brown antennae and ornamental large eye
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Soft coral polyps growing on reef — Stock Photo
    Soft coral polyps growing on reef
    Tendon, coloured scanning electron micrograph (SEM), showing bundles of collagen fibres. The parallel alignment of the fibres make tendons inelastic but flexible. Tendons attach muscle to bone. Magnification: x5000 when printed at 10 centimetres wide — Stock Photo
    Tendon, coloured scanning electron micrograph (SEM), showing bundles of collagen fibres. The parallel alignment of the fibres make tendons inelastic but flexible. Tendons attach muscle to bone. Magnification: x5000 when printed at 10 centimetres wide
    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon
    Man with opera glasses laughing in theater audience — Stock Photo
    Man with opera glasses laughing in theater audience
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Pin cushion sea star — Stock Photo
    Pin cushion sea star
    Soft coral revealing spicules — Stock Photo
    Soft coral revealing spicules
    Cup coral polyps under ledge — Stock Photo
    Cup coral polyps under ledge
    Cup coral polyps under ledge — Stock Photo
    Cup coral polyps under ledge
    Escherichia coli bacteria on gecko tongue — Stock Photo
    Escherichia coli bacteria on gecko tongue
    Red blood cells — Stock Photo
    Red blood cells
    Risbecia tryoni nudibranch in Beqa Lagoon — Stock Photo
    Risbecia tryoni nudibranch in Beqa Lagoon
    Dead bluebottle fly — Stock Photo
    Dead bluebottle fly
    Tozeuma shrimp on coral branch — Stock Photo
    Tozeuma shrimp on coral branch
    Risbecia tryoni nudibranch in Beqa Lagoon — Stock Photo
    Risbecia tryoni nudibranch in Beqa Lagoon
    Male teacher helping girl student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher helping girl student using microscope, conducting scientific experiment in laboratory classroom
    Illustration of sperm fertilizing human egg cell. — Stock Photo
    Illustration of sperm fertilizing human egg cell.
    Bone from the vertebral column — Stock Photo
    Bone from the vertebral column
    Colorful tunicate skin closeup shot — Stock Photo
    Colorful tunicate skin closeup shot
    Digital artwork of illuminated red human cancer cell. — Stock Photo
    Digital artwork of illuminated red human cancer cell.
    Section through bone marrow — Stock Photo
    Section through bone marrow
    Possible global pandemic. Vaccine study for the Coronavirus virus. — Stock Photo
    Possible global pandemic. Vaccine study for the Coronavirus virus.
    Thorny seahorse closeup shot — Stock Photo
    Thorny seahorse closeup shot
    Colored digital artwork of cancer cell. — Stock Photo
    Colored digital artwork of cancer cell.
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Human blood cells — Stock Photo
    Human blood cells
    Mushroom coral closeup shot — Stock Photo
    Mushroom coral closeup shot
    Pair nudibranchs on sandy seafloor — Stock Photo
    Pair nudibranchs on sandy seafloor
    Colored digital illustration of red cancer cells. — Stock Photo
    Colored digital illustration of red cancer cells.
    Structure of trachea, light micrograph. — Stock Photo
    Structure of trachea, light micrograph.
    Medical illustration detailing thoracic outlet syndrome — Stock Photo
    Medical illustration detailing thoracic outlet syndrome
    Digital illustration of red migrating cancer cells. — Stock Photo
    Digital illustration of red migrating cancer cells.
    Woman hand holding magnifying glass looking at butterflies — Stock Photo
    Woman hand holding magnifying glass looking at butterflies
    Finger-like projections of the duodenum — Stock Photo
    Finger-like projections of the duodenum
    Acrospaera radiolarian shell — Stock Photo
    Acrospaera radiolarian shell