En
  • En English
  • De Deutsch
  • Fr Français
  • Sp Español
  • Ru Русский
  • It Italiano
  • Pt Português
  • Ua Українська
12440097 results

    OrientationOrientation
    PeoplePeople
    CategoryCategory
    ColorColor
    EditorialEditorial
    Safe SearchSafe Search
    Clear
    Hide
    Spore-forming Microsporidia parasite, computer illustration. — Stock Photo
    Spore-forming Microsporidia parasite, computer illustration.
    Close-up 3D illustration of Y chromosome on white background. — Stock Photo
    Close-up 3D illustration of Y chromosome on white background.
    Light micrograph of a cross sections of monocot stem. — Stock Photo
    Light micrograph of a cross sections of monocot stem.
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear. — Stock Photo
    Colored scanning electron micrograph of bundles of sensory cilia cells in macula utriculi within labyrinth of human inner ear.
    Plankton. Coloured scanning electron micrograph (SEM) of plankton containing mainly Ceratium dinoflagellates. A few diatoms are also present. Dinoflagellates are unicellular protozoans — Stock Photo
    Plankton. Coloured scanning electron micrograph (SEM) of plankton containing mainly Ceratium dinoflagellates. A few diatoms are also present. Dinoflagellates are unicellular protozoans
    Cancer cell with filaments — Stock Photo
    Cancer cell with filaments
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Digital 3d colored illustration of cancer cell in process of mitosis. — Stock Photo
    Digital 3d colored illustration of cancer cell in process of mitosis.
    Penicillinum fungus on black background, digital illustration. — Stock Photo
    Penicillinum fungus on black background, digital illustration.
    Illustration of human nervous receptors on white background. — Stock Photo
    Illustration of human nervous receptors on white background.
    Magnified digital illustration of blastocyst cell. — Stock Photo
    Magnified digital illustration of blastocyst cell.
    Destruction of a human embryo — Stock Photo
    Destruction of a human embryo
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Toilet microbes on contaminated seat surface in water closet, conceptual digital illustration. — Stock Photo
    Toilet microbes on contaminated seat surface in water closet, conceptual digital illustration.
    Zika virus particles transmitted by mosquito bite, digital illustration. — Stock Photo
    Zika virus particles transmitted by mosquito bite, digital illustration.
    Magnified digital illustration of neutrophil cell. — Stock Photo
    Magnified digital illustration of neutrophil cell.
    Dividing prostate gland cancer cells, colored scanning electron micrograph. — Stock Photo
    Dividing prostate gland cancer cells, colored scanning electron micrograph.
    Coloured scanning electron micrograph of cancer cells migrating down pores. — Stock Photo
    Coloured scanning electron micrograph of cancer cells migrating down pores.
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Horse chestnut pollen grain — Stock Photo
    Horse chestnut pollen grain
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration — Stock Photo
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar. — Stock Photo
    Digital illustration of fungal morphology of filamentous allergenic fungus Alternaria alternata and photograph of fungal colonies on Sabouraud Dextrose Agar.
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Spreading cancer cells on white background, computer illustration. — Stock Photo
    Spreading cancer cells on white background, computer illustration.
    Toilet microbes in water closet, conceptual digital illustration. — Stock Photo
    Toilet microbes in water closet, conceptual digital illustration.
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Closterium desmid, computer illustration. — Stock Photo
    Closterium desmid, computer illustration.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Abstract illustration of purple bacilli bacteria, full frame. — Stock Photo
    Abstract illustration of purple bacilli bacteria, full frame.
    E. coli bacteria, illustration. Escherichia coli is a rod-shaped bacterium (bacillus). Its cell membrane is covered in fine filaments called pili or fimbriae — Stock Photo
    E. coli bacteria, illustration. Escherichia coli is a rod-shaped bacterium (bacillus). Its cell membrane is covered in fine filaments called pili or fimbriae
    Digital illustration of Legionella pneumophila bacteria causing Legionnaires disease. — Stock Photo
    Digital illustration of Legionella pneumophila bacteria causing Legionnaires disease.
    Digital illustration of Enterobacteriaceae Gram-negative rod-shaped bacteria. — Stock Photo
    Digital illustration of Enterobacteriaceae Gram-negative rod-shaped bacteria.
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae. — Stock Photo
    Coloured scanning electron micrograph of Phasmarhabditis hermaphrodita microscopic nematode parasite of Rhabditidae.
    Bacterial blood infection, digital illustration. — Stock Photo
    Bacterial blood infection, digital illustration.
    Giardia lamblia single-celled protozoan parasite in human duodenum, digital artwork. — Stock Photo
    Giardia lamblia single-celled protozoan parasite in human duodenum, digital artwork.
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system. — Stock Photo
    Panoramic illustration of blood vessel with eosinophilia with numerous eosinophils white blood cells, anti-parasite immune system.
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant. — Stock Photo
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant.
    Hair follicles of human skin — Stock Photo
    Hair follicles of human skin
    Group of virus particles, digital illustration. — Stock Photo
    Group of virus particles, digital illustration.
    Coloured scanning electron micrograph of cancer cells migrating down pores. — Stock Photo
    Coloured scanning electron micrograph of cancer cells migrating down pores.
    3d rendered illustration of nerve cell system. — Stock Photo
    3d rendered illustration of nerve cell system.
    Plague bacteria (Yersinia pestis), computer illustration. — Stock Photo
    Plague bacteria (Yersinia pestis), computer illustration.
    Hair follicles. Coloured scanning electron micrograph (SEM). The outer layer of hair (the cuticle) has overlapping scales of keratin. These scales are thought to prevent hairs from matting together — Stock Photo
    Hair follicles. Coloured scanning electron micrograph (SEM). The outer layer of hair (the cuticle) has overlapping scales of keratin. These scales are thought to prevent hairs from matting together
    Illustration of human blood cells in blood stream. — Stock Photo
    Illustration of human blood cells in blood stream.
    Lung cancer, digital illustration and light micrograph showing lung adenocarcinoma. — Stock Photo
    Lung cancer, digital illustration and light micrograph showing lung adenocarcinoma.
    Penicillinum fungus on white background, digital illustration. — Stock Photo
    Penicillinum fungus on white background, digital illustration.
    Human sperm cells, abstract computer illustration. — Stock Photo
    Human sperm cells, abstract computer illustration.
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli. — Stock Photo
    Coloured scanning electron micrograph of cultured cancer cell from human cervix showing numerous microvilli.
    Helicobacter pylori bacteria — Stock Photo
    Helicobacter pylori bacteria
    Colored scanning electron micrograph of lymphoma cell showing early apoptotic change. — Stock Photo
    Colored scanning electron micrograph of lymphoma cell showing early apoptotic change.
    Lung cancer, digital illustration and light micrograph showing lung adenocarcinoma. — Stock Photo
    Lung cancer, digital illustration and light micrograph showing lung adenocarcinoma.
    Gram-negative Veillonella bacteria, digital illustration. — Stock Photo
    Gram-negative Veillonella bacteria, digital illustration.
    Shell of a radiolarian — Stock Photo
    Shell of a radiolarian
    Viruses and bacteria, abstract digital illustration. — Stock Photo
    Viruses and bacteria, abstract digital illustration.
    Flush toilet microbes on contaminated surface, conceptual digital illustration on white background. — Stock Photo
    Flush toilet microbes on contaminated surface, conceptual digital illustration on white background.
    Conceptual digital illustration showing Giardia intestinalis parasites in drop of water from dirty tap. — Stock Photo
    Conceptual digital illustration showing Giardia intestinalis parasites in drop of water from dirty tap.
    Digital artwork of Gram-positive anaerobic Bifidobacterium bacteria. — Stock Photo
    Digital artwork of Gram-positive anaerobic Bifidobacterium bacteria.
    Stachybotrys fungus on black background, digital illustration. — Stock Photo
    Stachybotrys fungus on black background, digital illustration.
    Illustration of beige stem cell on black background. — Stock Photo
    Illustration of beige stem cell on black background.