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    Texture Macro Photography of Peacock ore (Chalcopyrite treated with acid) from Mexico; a copper ore — Stock Photo
    Texture Macro Photography of Peacock ore (Chalcopyrite treated with acid) from Mexico; a copper ore
    Male teacher helping girl student at microscope in laboratory classroom — Stock Photo
    Male teacher helping girl student at microscope in laboratory classroom
    Dust mite on skin surface — Stock Photo
    Dust mite on skin surface
    Red blood cells — Stock Photo
    Red blood cells
    Whip coral goby fish — Stock Photo
    Whip coral goby fish
    Mosquito head anatomy — Stock Photo
    Mosquito head anatomy
    Body of cat flea — Stock Photo
    Body of cat flea
    Digital illustration of green cancer cells. — Stock Photo
    Digital illustration of green cancer cells.
    Phyllidia coelestis nudibranch — Stock Photo
    Phyllidia coelestis nudibranch
    Acrospaera radiolarian shell — Stock Photo
    Acrospaera radiolarian shell
    Chlamydia trachomatis bacteria cells, digital illustration. — Stock Photo
    Chlamydia trachomatis bacteria cells, digital illustration.
    Coral polyps closeup shot — Stock Photo
    Coral polyps closeup shot
    Chlamydia trachomatis bacteria cells, digital illustration. — Stock Photo
    Chlamydia trachomatis bacteria cells, digital illustration.
    Pair nudibranchs on sandy seafloor — Stock Photo
    Pair nudibranchs on sandy seafloor
    Hoverfly head anatomy — Stock Photo
    Hoverfly head anatomy
    Microscopic cross section view of HIV virus — Stock Photo
    Microscopic cross section view of HIV virus
    Illustration of 4 cell stage egg on black background. — Stock Photo
    Illustration of 4 cell stage egg on black background.
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Possible global pandemic. Vaccine study for the Coronavirus virus. — Stock Photo
    Possible global pandemic. Vaccine study for the Coronavirus virus.
    Nurses with clipboard examining magnified microscope slide on computer monitor — Stock Photo
    Nurses with clipboard examining magnified microscope slide on computer monitor
    Enterococcus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Enterococcus coccoid bacteria, colored scanning electron micrograph.
    Kiwi fruit (Actinidia deliciosa) pollen grain, coloured scanning electron micrograph (SEM). — Stock Photo
    Kiwi fruit (Actinidia deliciosa) pollen grain, coloured scanning electron micrograph (SEM).
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Transparent cells on white background, digital illustration. — Stock Photo
    Transparent cells on white background, digital illustration.
    Lung cancer cells — Stock Photo
    Lung cancer cells
    Illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Illustration of cancer cell being attacked by white blood cells.
    Redheaded boy using light microscope for studying on meadow. — Stock Photo
    Redheaded boy using light microscope for studying on meadow.
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells — Stock Photo
    Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells
    Illustration of 4 cell stage egg on black background. — Stock Photo
    Illustration of 4 cell stage egg on black background.
    Dog tapeworm head — Stock Photo
    Dog tapeworm head
    Male sex cell — Stock Photo
    Male sex cell
    Illustration of illuminated red human cancer cell. — Stock Photo
    Illustration of illuminated red human cancer cell.
    Adenocarcinoma of the thyroid gland — Stock Photo
    Adenocarcinoma of the thyroid gland
    Giant cell tumour of the bone — Stock Photo
    Giant cell tumour of the bone
    Woman with mole on shoulder being examined through dermatoscope. — Stock Photo
    Woman with mole on shoulder being examined through dermatoscope.
    Blue cancer cells, digital illustration. — Stock Photo
    Blue cancer cells, digital illustration.
    Sperm cell with multiple tails — Stock Photo
    Sperm cell with multiple tails
    Cup coral polyps under ledge — Stock Photo
    Cup coral polyps under ledge
    Medical ilustration of a pilonidal cyst near the natal cleft of the buttocks — Stock Photo
    Medical ilustration of a pilonidal cyst near the natal cleft of the buttocks
    Woman looking through spotting scope, Wyoming, USA — Stock Photo
    Woman looking through spotting scope, Wyoming, USA
    Red tree coral on reef — Stock Photo
    Red tree coral on reef
    Male sex cell — Stock Photo
    Male sex cell
    Duct lined with pseudostratified epithelium — Stock Photo
    Duct lined with pseudostratified epithelium
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    House dust mites — Stock Photo
    House dust mites
    Emperor shrimp on nudibranch — Stock Photo
    Emperor shrimp on nudibranch
    Male teacher and smiling girl student conducting scientific experiment at microscope in laboratory classroom — Stock Photo
    Male teacher and smiling girl student conducting scientific experiment at microscope in laboratory classroom
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Illustration of blue illuminated cancer cell. — Stock Photo
    Illustration of blue illuminated cancer cell.
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    Structure of trachea, light micrograph. — Stock Photo
    Structure of trachea, light micrograph.
    Male sex cell — Stock Photo
    Male sex cell
    Electron micrograph of Bacteria and yeast — Stock Photo
    Electron micrograph of Bacteria and yeast
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Nerve bundle from the sciatic nerve — Stock Photo
    Nerve bundle from the sciatic nerve
    Fat cells and supportive connective tissue — Stock Photo
    Fat cells and supportive connective tissue
    Egg cells on white background, digital illustration. — Stock Photo
    Egg cells on white background, digital illustration.
    Illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Illustration of cancer cell being attacked by white blood cells.
    Enterococcus coccoid bacteria, colored scanning electron micrograph. — Stock Photo
    Enterococcus coccoid bacteria, colored scanning electron micrograph.
    Scorpionfish eye closeup shot — Stock Photo
    Scorpionfish eye closeup shot