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
    Sperm cell with multiple tails — Stock Photo
    Sperm cell with multiple tails
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    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.
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    Visual rendering of Amoeba — Stock Photo
    Visual rendering of Amoeba
    Diatoms single-celled algae — Stock Photo
    Diatoms single-celled algae
    Paramecium sp. ciliate protozoa — Stock Photo
    Paramecium sp. ciliate protozoa
    Campylodiscus fastuosus diatom — Stock Photo
    Campylodiscus fastuosus diatom
    Eupodiscus sculptus diatom — Stock Photo
    Eupodiscus sculptus diatom
    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.
    Helicobacter pylori bacteria — Stock Photo
    Helicobacter pylori bacteria
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Male sex cell — Stock Photo
    Male sex cell
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    3d illustration of transparent and colourful protozoa. — Stock Photo
    3d illustration of transparent and colourful protozoa.
    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.
    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.
    Phytoplankton diatom Coscinodiscus sp — Stock Photo
    Phytoplankton diatom Coscinodiscus sp
    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.
    3d illustration of red colored protozoan microorganism. — Stock Photo
    3d illustration of red colored protozoan microorganism.
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Phase contrast light micrograph of Paramecium a ciliate protozoan. — Stock Photo
    Phase contrast light micrograph of Paramecium a ciliate protozoan.
    Colored scanning electron micrograph of lymphoma cell showing early apoptotic change. — Stock Photo
    Colored scanning electron micrograph of lymphoma cell showing early apoptotic change.
    Male sex cell — Stock Photo
    Male sex cell
    Conceptual image of coxsackievirus cell — Stock Photo
    Conceptual image of coxsackievirus cell
    Colorectal cancer cell dividing — Stock Photo
    Colorectal cancer cell dividing
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer 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.
    Rutilaria epsilon diatom — Stock Photo
    Rutilaria epsilon diatom
    Cancer cell characteristic — Stock Photo
    Cancer cell characteristic
    Abutilon pollen grain — Stock Photo
    Abutilon pollen grain
    Soap bubbles and acrylic paint in oil — Stock Photo
    Soap bubbles and acrylic paint in oil
    Chlamydia bacteria, illustration — Stock Photo
    Chlamydia bacteria, illustration
    Enterococcus bacteria colony — Stock Photo
    Enterococcus bacteria colony
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Father holding baby and checking cell phone — Stock Photo
    Father holding baby and checking cell phone
    Crenated red blood cells — Stock Photo
    Crenated red blood cells
    Geranium sp. pollen grain — Stock Photo
    Geranium sp. pollen grain
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Bacteriastrum sp. diatom algae — Stock Photo
    Bacteriastrum sp. diatom algae
    Diatom eukaryotic algae — Stock Photo
    Diatom eukaryotic algae
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Triceratium sp. diatom algae — Stock Photo
    Triceratium sp. diatom algae
    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
    Helicobacter pylori bacteria — Stock Photo
    Helicobacter pylori bacteria
    Balamuthia mandrillaris amoeba, computer illustration — Stock Photo
    Balamuthia mandrillaris amoeba, computer illustration
    Conceptual image of a neuron on black background — Stock Photo
    Conceptual image of a neuron on black background
    Woman talking on cell phone at roadside behind warning triangle — Stock Photo
    Woman talking on cell phone at roadside behind warning triangle
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Marine planktonic unicellular alga — Stock Photo
    Marine planktonic unicellular alga
    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.
    Enterococcus bacteria colony — Stock Photo
    Enterococcus bacteria colony
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Schizosaccharomyces pombe yeast — Stock Photo
    Schizosaccharomyces pombe yeast
    Single abstract bacterium on black background, computer illustration. — Stock Photo
    Single abstract bacterium on black background, computer illustration.
    Cell culture plate on white background. — Stock Photo
    Cell culture plate on white background.
    Conceptual image of a neuron on black background — Stock Photo
    Conceptual image of a neuron on black background
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Puffball fungus spore — Stock Photo
    Puffball fungus spore