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167 results

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    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Enterococcus bacteria colony — Stock Photo
    Enterococcus bacteria colony
    Deformed sperm cell — Stock Photo
    Deformed sperm cell
    Microscopic view of pancreatic cancer cell — Stock Photo
    Microscopic view of pancreatic cancer cell
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand.
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Human sperm cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Human sperm cell, coloured scanning electron micrograph (SEM).
    Cancerous tumour visualisation — Stock Photo
    Cancerous tumour visualisation
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Single abstract bacterium on black background, computer illustration. — Stock Photo
    Single abstract bacterium on black background, computer illustration.
    Male sex cell — Stock Photo
    Male sex cell
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Paramecium sp. ciliate protozoa — Stock Photo
    Paramecium sp. ciliate protozoa
    Conceptual image of polyomavirus cell — Stock Photo
    Conceptual image of polyomavirus cell
    Anthrax bacteria structure — Stock Photo
    Anthrax bacteria structure
    Balamuthia mandrillaris amoeba organism, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organism, digital illustration.
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Oligodendrocyte cell structure — Stock Photo
    Oligodendrocyte cell structure
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Schizosaccharomyces pombe yeast — Stock Photo
    Schizosaccharomyces pombe yeast
    Father with baby packing bag for work — Stock Photo
    Father with baby packing bag for work
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    Male sex cell — Stock Photo
    Male sex cell
    Woman talking on cell phone with automobile hood raised at roadside — Stock Photo
    Woman talking on cell phone with automobile hood raised at roadside
    3d illustration of transparent and colourful protozoa. — Stock Photo
    3d illustration of transparent and colourful protozoa.
    Human sperm cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Human sperm cell, coloured scanning electron micrograph (SEM).
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Single abstract bacterium on black background, computer illustration. — Stock Photo
    Single abstract bacterium on black background, computer illustration.
    Primula pollen grain — Stock Photo
    Primula pollen grain
    Visual rendering of Amoeba — Stock Photo
    Visual rendering of Amoeba
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Coloured scanning electron micrograph (SEM) of a tumour cell, showing pseudopodia protrusions (bottom left and right), a prominent feature of actively motile cells. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a tumour cell, showing pseudopodia protrusions (bottom left and right), a prominent feature of actively motile cells.
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans. — Stock Photo
    Three dinoflagellates (blue), coloured scanning electron micrograph (SEM). Dinoflagellates are unicellular protozoans.
    Visual rendering of Amoeba — Stock Photo
    Visual rendering of Amoeba
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Animal cell structure — Stock Photo
    Animal cell structure
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Illustration of single human blood cell on white background. — Stock Photo
    Illustration of single human blood cell on white background.
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is blue. Mitochondria (cyan)) in the cell's cytoplasm produce energy for the cell. Lysosomes (red) contain enzymes for digesting foreign particles. M — Stock Photo
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is blue. Mitochondria (cyan)) in the cell's cytoplasm produce energy for the cell. Lysosomes (red) contain enzymes for digesting foreign particles. M
    Paramecium ciliate protozoan — Stock Photo
    Paramecium ciliate protozoan
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Illustration of single human blood cell on black background. — Stock Photo
    Illustration of single human blood cell on black background.
    Uneven surface and cytoplasmic projections — Stock Photo
    Uneven surface and cytoplasmic projections
    Computer Illustration of a fat cell structure — Stock Photo
    Computer Illustration of a fat cell structure
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    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.
    Sperm cell with multiple tails — Stock Photo
    Sperm cell with multiple tails
    Male sex cell — Stock Photo
    Male sex cell
    Kidney glomerulus and podocyte cells — Stock Photo
    Kidney glomerulus and podocyte cells
    Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba. — Stock Photo
    Amoeba shell. Coloured scanning electron micrograph (SEM) of a shell from a Euglypha sp. amoeba.
    Cancerous tumour visualisation — Stock Photo
    Cancerous tumour visualisation
    Sperm cell in a fallopian tube — Stock Photo
    Sperm cell in a fallopian tube
    Helicobacter pylori bacteria — Stock Photo
    Helicobacter pylori bacteria
    Hands of scientist using pipette and petri dish — Stock Photo
    Hands of scientist using pipette and petri dish
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration