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

    OrientationOrientation
    PeoplePeople
    CategoryCategory
    ColorColor
    EditorialEditorial
    Safe SearchSafe Search
    Clear
    Hide
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    Paramecium sp. ciliate protozoa — Stock Photo
    Paramecium sp. ciliate protozoa
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Paramecium sp. ciliate protozoa — Stock Photo
    Paramecium sp. ciliate protozoa
    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.
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Visual rendering of Amoeba — Stock Photo
    Visual rendering of Amoeba
    Rod-shaped Anthrax bacteria — Stock Photo
    Rod-shaped Anthrax bacteria
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Entamoeba gingivalis parasitic pathogen single-celled protozoan, amoeba in oral cavity, digital illustration. — Stock Photo
    Entamoeba gingivalis parasitic pathogen single-celled protozoan, amoeba in oral cavity, digital illustration.
    Male sex cell — Stock Photo
    Male sex cell
    Paramecium ciliate protozoan — Stock Photo
    Paramecium ciliate protozoan
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Sperm cell in a fallopian tube — Stock Photo
    Sperm cell in a fallopian tube
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Colored scanning electron micrograph of lymphoma cell showing early apoptotic change. — Stock Photo
    Colored scanning electron micrograph of lymphoma cell showing early apoptotic change.
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Conceptual image of polyomavirus cell — Stock Photo
    Conceptual image of polyomavirus cell
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Single abstract bacterium on black background, computer illustration. — Stock Photo
    Single abstract bacterium on black background, computer illustration.
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Colorectal cancer cell dividing — Stock Photo
    Colorectal cancer cell dividing
    Deformed sperm cell — Stock Photo
    Deformed sperm cell
    Cell culture plate on white background. — Stock Photo
    Cell culture plate on white background.
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Geranium pollen grain — Stock Photo
    Geranium pollen grain
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Conceptual image of a neuron on black background — Stock Photo
    Conceptual image of a neuron on black background
    Father with baby packing bag for work — Stock Photo
    Father with baby packing bag for work
    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.
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Paramecium ciliate protozoan — Stock Photo
    Paramecium ciliate protozoan
    Uneven surface and cytoplasmic projections — Stock Photo
    Uneven surface and cytoplasmic projections
    Cancer cell characteristic — Stock Photo
    Cancer cell characteristic
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Single abstract bacterium on black background, computer illustration. — Stock Photo
    Single abstract bacterium on black background, computer illustration.
    Marine planktonic unicellular alga — Stock Photo
    Marine planktonic unicellular alga
    3d illustration of transparent and colourful protozoa. — Stock Photo
    3d illustration of transparent and colourful protozoa.
    Entamoeba gingivalis parasitic pathogen single-celled protozoan, amoeba in oral cavity, digital illustration. — Stock Photo
    Entamoeba gingivalis parasitic pathogen single-celled protozoan, amoeba in oral cavity, digital illustration.
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is red. Mitochondria (orange) in the cell's cytoplasm produce energy for the cell. Lysosomes (black) contain enzymes for digesting foreign particles. — Stock Photo
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is red. Mitochondria (orange) in the cell's cytoplasm produce energy for the cell. Lysosomes (black) contain enzymes for digesting foreign particles.
    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
    Colored scanning electron micrograph of white blood cells and single platelet. — Stock Photo
    Colored scanning electron micrograph of white blood cells and single platelet.
    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
    Ovarian cells section — Stock Photo
    Ovarian cells section
    Enterococcus bacteria colony — Stock Photo
    Enterococcus bacteria colony
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    Helicobacter pylori bacteria — Stock Photo
    Helicobacter pylori bacteria
    Animal cell structure — Stock Photo
    Animal cell structure
    Father holding baby and checking cell phone — Stock Photo
    Father holding baby and checking cell phone
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is brown. Mitochondria (orange) in the cell's cytoplasm produce energy for the cell. Lysosomes (blue) contain enzymes for digesting foreign particles — Stock Photo
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is brown. Mitochondria (orange) in the cell's cytoplasm produce energy for the cell. Lysosomes (blue) contain enzymes for digesting foreign particles
    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.