En
  • En English
  • De Deutsch
  • Fr Français
  • Sp Español
  • Ru Русский
  • It Italiano
  • Pt Português
  • Ua Українська
162 results

    OrientationOrientation
    PeoplePeople
    CategoryCategory
    ColorColor
    EditorialEditorial
    Safe SearchSafe Search
    Clear
    Hide
    Marine planktonic unicellular alga — Stock Photo
    Marine planktonic unicellular alga
    Anthrax bacteria structure — Stock Photo
    Anthrax bacteria structure
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Enterococcus bacteria colony — Stock Photo
    Enterococcus bacteria colony
    Differential interference contrast light micrograph of different species of fossil unicellular radiolarians (protozoa). — Stock Photo
    Differential interference contrast light micrograph of different species of fossil unicellular radiolarians (protozoa).
    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.
    Ovarian cells section — Stock Photo
    Ovarian cells section
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Cancerous tumour visualisation — Stock Photo
    Cancerous tumour visualisation
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Cell culture plate on white background. — Stock Photo
    Cell culture plate on white background.
    Illustration of single human blood cell on black background. — Stock Photo
    Illustration of single human blood cell on black background.
    Male sex cell — Stock Photo
    Male sex cell
    Illustration of single human blood cell on black background. — Stock Photo
    Illustration of single human blood cell on black background.
    Male sex cell — Stock Photo
    Male sex cell
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Helicobacter pylori bacteria — Stock Photo
    Helicobacter pylori bacteria
    Male sex cell — Stock Photo
    Male sex cell
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Paramecium ciliate protozoan — Stock Photo
    Paramecium ciliate protozoan
    3d rendering of a virus — Stock Photo
    3d rendering of a virus
    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.
    Paramecium ciliate protozoan — Stock Photo
    Paramecium ciliate protozoan
    Animal cell structure — Stock Photo
    Animal cell structure
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Male sex cell — Stock Photo
    Male sex cell
    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.
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Helicobacter pylori bacteria — Stock Photo
    Helicobacter pylori bacteria
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    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.
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Human sperm cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Human sperm cell, coloured scanning electron micrograph (SEM).
    3d illustration of transparent and colourful protozoa. — Stock Photo
    3d illustration of transparent and colourful protozoa.