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162 results

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    Male sex cell — Stock Photo
    Male sex cell
    Abutilon pollen grain — Stock Photo
    Abutilon pollen grain
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Deformed sperm cell — Stock Photo
    Deformed sperm cell
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Chlamydia bacteria, illustration — Stock Photo
    Chlamydia bacteria, illustration
    Single abstract bacterium on black background, computer illustration. — Stock Photo
    Single abstract bacterium on black background, computer illustration.
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Man talking on cell phone at roadside behind warning triangle — Stock Photo
    Man talking on cell phone at roadside behind warning triangle
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Single abstract bacterium on black background, computer illustration. — Stock Photo
    Single abstract bacterium on black background, computer illustration.
    Woman talking on cell phone at roadside behind warning triangle — Stock Photo
    Woman talking on cell phone at roadside behind warning triangle
    Father with baby packing bag for work — Stock Photo
    Father with baby packing bag for work
    Illustration of single human blood cell on white background. — Stock Photo
    Illustration of single human blood cell on white background.
    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.
    Crenated red blood cells — Stock Photo
    Crenated red blood cells
    Illustration of single human blood cell on white background. — Stock Photo
    Illustration of single human blood cell on white background.
    Hands of scientist using pipette and petri dish — Stock Photo
    Hands of scientist using pipette and petri dish
    Soap bubbles and acrylic paint in oil — Stock Photo
    Soap bubbles and acrylic paint in oil
    Human sperm cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Human sperm cell, coloured scanning electron micrograph (SEM).
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Cell culture plate on white background. — Stock Photo
    Cell culture plate on white background.
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    3d rendering of a virus — Stock Photo
    3d rendering of a virus
    Cancerous tumour visualisation — Stock Photo
    Cancerous tumour visualisation
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Schizosaccharomyces pombe yeast — Stock Photo
    Schizosaccharomyces pombe yeast
    Colorectal cancer cell dividing — Stock Photo
    Colorectal cancer cell dividing
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Enterococcus bacteria colony — Stock Photo
    Enterococcus bacteria colony
    Paramecium ciliate protozoan — Stock Photo
    Paramecium ciliate protozoan
    Abutilon sp. pollen grain — Stock Photo
    Abutilon sp. pollen grain
    Oligodendrocyte cell structure — Stock Photo
    Oligodendrocyte cell structure
    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.
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    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.
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Paramecium ciliate protozoan — Stock Photo
    Paramecium ciliate protozoan
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    Animal cell structure — Stock Photo
    Animal cell structure
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    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.
    Colored scanning electron micrograph of pollen grain cell from hollyhock hibiscus flower. — Stock Photo
    Colored scanning electron micrograph of pollen grain cell from hollyhock hibiscus flower.
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Father checking smartphone while comforting sick daughter — Stock Photo
    Father checking smartphone while comforting sick daughter
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    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.
    Male sex cell — Stock Photo
    Male sex cell
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Colorectal cancer cell dividing — Stock Photo
    Colorectal cancer cell dividing
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Cancer cell characteristic — Stock Photo
    Cancer cell characteristic
    Illustration of single human blood cell on black background. — Stock Photo
    Illustration of single human blood cell on black background.
    Phase contrast light micrograph of Paramecium a ciliate protozoan. — Stock Photo
    Phase contrast light micrograph of Paramecium a ciliate protozoan.
    Balamuthia mandrillaris amoeba organism, digital illustration. — Stock Photo
    Balamuthia mandrillaris amoeba organism, digital illustration.