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
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Animal cell structure — Stock Photo
    Animal cell structure
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Deformed sperm cell — Stock Photo
    Deformed sperm cell
    Puffball fungus spore — Stock Photo
    Puffball fungus spore
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    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).
    3d rendering of a virus — Stock Photo
    3d rendering of a virus
    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.
    Paramecium sp. ciliate protozoa — Stock Photo
    Paramecium sp. ciliate protozoa
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    3d illustration of red colored protozoan microorganism. — Stock Photo
    3d illustration of red colored protozoan microorganism.
    Enterococcus bacteria colony — Stock Photo
    Enterococcus bacteria colony
    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.
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Hands of scientist using pipette and petri dish — Stock Photo
    Hands of scientist using pipette and petri dish
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Visual rendering of Amoeba — Stock Photo
    Visual rendering of Amoeba
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Illustration of single human blood cell on white background. — Stock Photo
    Illustration of single human blood cell on white background.
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Male sex cell — Stock Photo
    Male sex cell
    3d illustration of a transparent and colourful protozoan. — Stock Photo
    3d illustration of a transparent and colourful protozoan.
    Male sex cell — Stock Photo
    Male sex cell
    Single abstract bacterium on black background, computer illustration. — Stock Photo
    Single abstract bacterium on black background, computer illustration.
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Male sex cell — Stock Photo
    Male sex cell
    Sperm cell in a fallopian tube — Stock Photo
    Sperm cell in a fallopian tube
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Single abstract bacterium on black background, computer illustration. — Stock Photo
    Single abstract bacterium on black background, computer illustration.
    Single abstract bacterium on black background, computer illustration. — Stock Photo
    Single abstract bacterium on black background, computer illustration.
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Paramecium ciliate protozoan — Stock Photo
    Paramecium ciliate protozoan
    Cancerous tumour visualisation — Stock Photo
    Cancerous tumour visualisation
    Phase contrast light micrograph of Paramecium a ciliate protozoan. — Stock Photo
    Phase contrast light micrograph of Paramecium a ciliate protozoan.
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Male sex cell — Stock Photo
    Male sex cell
    Fertilization showing sperm fertilizing an egg — Stock Photo
    Fertilization showing sperm fertilizing an egg
    Oligodendrocyte cell structure — Stock Photo
    Oligodendrocyte cell structure
    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.
    Chlamydia bacteria, illustration — Stock Photo
    Chlamydia bacteria, illustration
    3d illustration of transparent and colourful protozoa. — Stock Photo
    3d illustration of transparent and colourful protozoa.
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    3d illustration of transparent and colorful protozoan on blue background. — Stock Photo
    3d illustration of transparent and colorful protozoan on blue background.
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Crenated red blood cells — Stock Photo
    Crenated red blood cells
    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 foraminiferan microfossil from maldives beach sand. — Stock Photo
    Coloured scanning electron micrograph (SEM) of a foraminiferan microfossil from maldives beach sand.
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Human sperm cell, coloured scanning electron micrograph (SEM). — Stock Photo
    Human sperm cell, coloured scanning electron micrograph (SEM).
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony