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31327177 results

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    Hard coral polyps — Stock Photo
    Hard coral polyps
    Section through bone marrow — Stock Photo
    Section through bone marrow
    Human sperm cells — Stock Photo
    Human sperm cells
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Cat flea head — Stock Photo
    Cat flea head
    Nerve bundle from the sciatic nerve — Stock Photo
    Nerve bundle from the sciatic nerve
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria. — Stock Photo
    Coloured scanning electron micrograph of Staphylococcus aureus bacteria.
    Fibroblast cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Fibroblast cell, coloured scanning electron micrograph (SEM).
    Sharp spines covering crown-of-thorns starfish — Stock Photo
    Sharp spines covering crown-of-thorns starfish
    Fin and scales of scorpionfish closeup shot — Stock Photo
    Fin and scales of scorpionfish closeup shot
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body — Stock Photo
    Skin blood vessel. Coloured scanning electron micrograph (SEM) of a blood vessel (arteriole) in the dermis of the skin. In the blood vessel are red blood cells (erythrocytes, red) which carry oxygen around the body
    Dead bluebottle fly — Stock Photo
    Dead bluebottle fly
    Closeup extreme magnified fly of orange and purple color with antennae — Stock Photo
    Closeup extreme magnified fly of orange and purple color with antennae
    Closeup yellow flying wasp folding legs and looking at camera with big green eyes — Stock Photo
    Closeup yellow flying wasp folding legs and looking at camera with big green eyes
    Medical illustration of gall bladder ganglion anatomy — Stock Photo
    Medical illustration of gall bladder ganglion anatomy
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    Colored digital artwork of cancer cell. — Stock Photo
    Colored digital artwork of cancer cell.
    Forensic scientist using 3d stereo microscope for examining markings on bullet. — Stock Photo
    Forensic scientist using 3d stereo microscope for examining markings on bullet.
    Secondary carcinoma of the lung — Stock Photo
    Secondary carcinoma of the lung
    Secondary liver cancer — Stock Photo
    Secondary liver cancer
    Colorful tunicate skin closeup shot — Stock Photo
    Colorful tunicate skin closeup shot
    Side view of black glossy flying incest with threatening antennae large eyes and transparent wing — Stock Photo
    Side view of black glossy flying incest with threatening antennae large eyes and transparent wing
    Closeup extreme magnified unusual fly of orange and purple color with antennae — Stock Photo
    Closeup extreme magnified unusual fly of orange and purple color with antennae
    Basal cell carcinoma — Stock Photo
    Basal cell carcinoma
    Electron micrograph of dental plaque — Stock Photo
    Electron micrograph of dental plaque
    Boy standing by ocean looking through a telescope — Stock Photo
    Boy standing by ocean looking through a telescope
    Visualization of dust mite — Stock Photo
    Visualization of dust mite
    Platelets in blood vessel — Stock Photo
    Platelets in blood vessel
    Freshwater single diatom — Stock Photo
    Freshwater single diatom
    Acrospaera radiolarian shell — Stock Photo
    Acrospaera radiolarian shell
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Illustration of illuminated purple cancer cell on black background. — Stock Photo
    Illustration of illuminated purple cancer cell on black background.
    Cardiac muscle showing a metastatic seminoma — Stock Photo
    Cardiac muscle showing a metastatic seminoma
    Fossilised fragment of a coccolithotrope skeleton — Stock Photo
    Fossilised fragment of a coccolithotrope skeleton
    Heart strings strings — Stock Photo
    Heart strings strings
    Illustration of 4 cell stage egg on blue background. — Stock Photo
    Illustration of 4 cell stage egg on blue background.
    Ginger boy using light microscope on green grass. — Stock Photo
    Ginger boy using light microscope on green grass.
    Mating Nembrotha chamberlaini nudibranchs — Stock Photo
    Mating Nembrotha chamberlaini nudibranchs
    Phyllidia ocellata nudibranch in Beqa Lagoon — Stock Photo
    Phyllidia ocellata nudibranch in Beqa Lagoon
    Microscopic view of human respiratory syncytial RSV virus — Stock Photo
    Microscopic view of human respiratory syncytial RSV virus
    Male jeweler using headband magnifier making jewelry in workshop — Stock Photo
    Male jeweler using headband magnifier making jewelry in workshop
    Closeup of magnified grey head of flying insect with round convex green eyes — Stock Photo
    Closeup of magnified grey head of flying insect with round convex green eyes
    Digital artwork of green cancer cell on tissue surface. — Stock Photo
    Digital artwork of green cancer cell on tissue surface.
    Science teacher helping girl student at microscope in classroom laboratory — Stock Photo
    Science teacher helping girl student at microscope in classroom laboratory
    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.
    Soft coral on Fijian reef — Stock Photo
    Soft coral on Fijian reef
    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.
    Fractured flexor tendon — Stock Photo
    Fractured flexor tendon
    Microscopic view of birch tree pollen on green background — Stock Photo
    Microscopic view of birch tree pollen on green background
    Male teacher and boy student using microscope, conducting scientific experiment in laboratory classroom — Stock Photo
    Male teacher and boy student using microscope, conducting scientific experiment in laboratory classroom
    Schooling anthias fish and corals — Stock Photo
    Schooling anthias fish and corals
    Red tree coral on reef — Stock Photo
    Red tree coral on reef
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Polyps of reef-building coral — Stock Photo
    Polyps of reef-building coral
    Scorpionfish scales closeup shot — Stock Photo
    Scorpionfish scales closeup shot
    Puffball fungus spores — Stock Photo
    Puffball fungus spores
    Seminiferous tubules and lending cells — Stock Photo
    Seminiferous tubules and lending cells
    Radiolarians amoeboid protozoa — Stock Photo
    Radiolarians amoeboid protozoa
    Illustration of illuminated red human cancer cell. — Stock Photo
    Illustration of illuminated red human cancer cell.