En
  • En English
  • De Deutsch
  • Fr Français
  • Sp Español
  • Ru Русский
  • It Italiano
  • Pt Português
  • Ua Українська
16730511 results

    OrientationOrientation
    PeoplePeople
    CategoryCategory
    ColorColor
    EditorialEditorial
    Safe SearchSafe Search
    Clear
    Hide
    Abstract green colored cancer cell on black background, digital illustration. — Stock Photo
    Abstract green colored cancer cell on black background, digital illustration.
    Radiolarians amoeboid protozoa — Stock Photo
    Radiolarians amoeboid protozoa
    Illustration of Tuberculosis bacteria — Stock Photo
    Illustration of Tuberculosis bacteria
    Gram-positive Peptococcus bacteria, digital illustration. — Stock Photo
    Gram-positive Peptococcus bacteria, digital illustration.
    Viruses and bacteria, abstract digital illustration. — Stock Photo
    Viruses and bacteria, abstract digital illustration.
    Human x chromosomes — Stock Photo
    Human x chromosomes
    Flush toilet microbe on contaminated surface, conceptual digital illustration on white background. — Stock Photo
    Flush toilet microbe on contaminated surface, conceptual digital illustration on white background.
    Mucor fungus on black background, digital illustration. — Stock Photo
    Mucor fungus on black background, digital illustration.
    Abstract illustration of green bacilli bacteria, full frame. — Stock Photo
    Abstract illustration of green bacilli bacteria, full frame.
    Transparent cells on white background, digital illustration. — Stock Photo
    Transparent cells on white background, digital illustration.
    Lotus flower surface — Stock Photo
    Lotus flower surface
    3d rendered illustration of nerve cell system. — Stock Photo
    3d rendered illustration of nerve cell system.
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Coloured scanning electron micrograph of cancer cells from colon. — Stock Photo
    Coloured scanning electron micrograph of cancer cells from colon.
    Chimeric antigen receptor in brain cell membrane, illustration. — Stock Photo
    Chimeric antigen receptor in brain cell membrane, illustration.
    Magnified digital illustration of human cell cross-section. — Stock Photo
    Magnified digital illustration of human cell cross-section.
    Illustration of human blood cells in blood stream. — Stock Photo
    Illustration of human blood cells in blood stream.
    Digital artwork of round transparent cells on white background. — Stock Photo
    Digital artwork of round transparent cells on white background.
    Gram-negative Veillonella bacteria, digital illustration. — Stock Photo
    Gram-negative Veillonella bacteria, digital illustration.
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Pollen grain, light micrograph. Pollen grain is the microscopic body that contains the male reproductive cell of a plant. — Stock Photo
    Pollen grain, light micrograph. Pollen grain is the microscopic body that contains the male reproductive cell of a plant.
    Gram-negative Veillonella bacteria, digital illustration. — Stock Photo
    Gram-negative Veillonella bacteria, digital illustration.
    Abstract red colored cancer cell on white background, digital illustration. — Stock Photo
    Abstract red colored cancer cell on white background, digital illustration.
    Listeria monocytogenes bacterium, computer illustration. L. monocytogenes is the causative agent of the human disease listeriosis. Listeriosis is contracted through contaminated food — Stock Photo
    Listeria monocytogenes bacterium, computer illustration. L. monocytogenes is the causative agent of the human disease listeriosis. Listeriosis is contracted through contaminated food
    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
    Scanning electron micrograph of bacterial culture from sputum. — Stock Photo
    Scanning electron micrograph of bacterial culture from sputum.
    Transparent sperm cells moving towards round blue coloured egg cell. — Stock Photo
    Transparent sperm cells moving towards round blue coloured egg cell.
    Coloured scanning electron micrograph of cancer cell from human colon. — Stock Photo
    Coloured scanning electron micrograph of cancer cell from human colon.
    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.
    Illustration of human blood cells in blood stream. — Stock Photo
    Illustration of human blood cells in blood stream.
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration — Stock Photo
    Streptococcus pneumoniae bacteria (pneumococci), computer illustration
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba. — Stock Photo
    Digital illustration of trophozoite form of Acanthamoeba castellanii amoeba.
    Sperm spermatozoa swimming towards egg cell, colored digital illustration. — Stock Photo
    Sperm spermatozoa swimming towards egg cell, colored digital illustration.
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    Interaction between virus and dendritic cell, computer illustration. Dendritic cells play a crucial role in initiating immune responses against viruses. They recognise incoming viruses and present their antigens to T cells. — Stock Photo
    Interaction between virus and dendritic cell, computer illustration. Dendritic cells play a crucial role in initiating immune responses against viruses. They recognise incoming viruses and present their antigens to T cells.
    View of Zika viruses — Stock Photo
    View of Zika viruses
    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.
    Magnified digital illustration of monocyte cell. — Stock Photo
    Magnified digital illustration of monocyte cell.
    Dust mite parasite, microscopic digital illustration. — Stock Photo
    Dust mite parasite, microscopic digital illustration.
    Abstract illustration of white bacilli bacteria, full frame. — Stock Photo
    Abstract illustration of white bacilli bacteria, full frame.
    Set of 46 human chromosomes on white background. — Stock Photo
    Set of 46 human chromosomes on white background.
    Immature parasitic trematode — Stock Photo
    Immature parasitic trematode
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus. — Stock Photo
    Illustration of fruiting bodies and hyphae of fungus Aspergillus fumigatus.
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection. — Stock Photo
    Colored digital illustration of Blastomyces dermatitidis fungus causing fungal infection.
    Digital illustration of human cells on blue background. — Stock Photo
    Digital illustration of human cells on blue background.
    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.
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    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.
    Closeup of Amoeba, computer illustration — Stock Photo
    Closeup of Amoeba, computer illustration
    Trichomonas vaginalis parasitic microorganisms causing trichomoniasis, digital illustration. — Stock Photo
    Trichomonas vaginalis parasitic microorganisms causing trichomoniasis, digital illustration.
    Illustration of HIV virus particles in human blood. — Stock Photo
    Illustration of HIV virus particles in human blood.
    Kidney stone crystals, coloured scanning electron micrograph (SEM). — Stock Photo
    Kidney stone crystals, coloured scanning electron micrograph (SEM).
    3d illustration of virus and bacteria above shiny surface. — Stock Photo
    3d illustration of virus and bacteria above shiny surface.
    Streptococcus pneumoniae bacteria, digital illustration. — Stock Photo
    Streptococcus pneumoniae bacteria, digital illustration.
    Digital illustration showing close-up of cholera infection bacteria in small intestine. — Stock Photo
    Digital illustration showing close-up of cholera infection bacteria in small intestine.
    Digital illustration of Escherichia coli bacteria on white background. — Stock Photo
    Digital illustration of Escherichia coli bacteria on white background.
    3d illustration of human sperm cells in reproductive process. — Stock Photo
    3d illustration of human sperm cells in reproductive process.
    In vitro fertilisation process — Stock Photo
    In vitro fertilisation process
    Colored illustration of nerve cell on dark background. — Stock Photo
    Colored illustration of nerve cell on dark background.