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2156 results

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    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Female reproductive system — Stock Photo
    Female reproductive system
    Unicellular fungus Candida auris — Stock Photo
    Unicellular fungus Candida auris
    B-lymphocyte white blood cells — Stock Photo
    B-lymphocyte white blood cells
    Cells attacked by virus — Stock Photo
    Cells attacked by virus
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    In vitro fertilisation process — Stock Photo
    In vitro fertilisation process
    Destruction of cancer cell — Stock Photo
    Destruction of cancer cell
    Nanoparticles in blood — Stock Photo
    Nanoparticles in blood
    Lymphocytes attacking a cancer cell — Stock Photo
    Lymphocytes attacking a cancer cell
    Lymphocyte white blood cell — Stock Photo
    Lymphocyte white blood cell
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Lymphocytes attacking viruses — Stock Photo
    Lymphocytes attacking viruses
    Fungal cells revealing sporangium with spores — Stock Photo
    Fungal cells revealing sporangium with spores
    Red blood cells in blood stream — Stock Photo
    Red blood cells in blood stream
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Ovarian cells section — Stock Photo
    Ovarian cells section
    Blood clot structure — Stock Photo
    Blood clot structure
    Destruction of a human embryo — Stock Photo
    Destruction of a human embryo
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Blood vessel with blood cells — Stock Photo
    Blood vessel with blood cells
    Sperm cell in a fallopian tube — Stock Photo
    Sperm cell in a fallopian tube
    HIV virus particles — Stock Photo
    HIV virus particles
    Destruction of a cancer cell by antibodies — Stock Photo
    Destruction of a cancer cell by antibodies
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Migrating cancer cells — Stock Photo
    Migrating cancer cells
    Neutrophil cells aggregating at site of infection — Stock Photo
    Neutrophil cells aggregating at site of infection
    Blood clot formation — Stock Photo
    Blood clot formation
    Cancer cells on tissue surface — Stock Photo
    Cancer cells on tissue surface
    Red blood cells aggregated — Stock Photo
    Red blood cells aggregated
    Dendritic cells of immune system — Stock Photo
    Dendritic cells of immune system
    Destruction of cancer cell — Stock Photo
    Destruction of cancer cell
    Human multi-cellular embryo — Stock Photo
    Human multi-cellular embryo
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Streptomyces coelicoflavus bacteria — Stock Photo
    Streptomyces coelicoflavus bacteria
    Blood clotting in an ovarian follicle — Stock Photo
    Blood clotting in an ovarian follicle
    Nerve cells and axon connections — Stock Photo
    Nerve cells and axon connections
    Destruction of a human embryo — Stock Photo
    Destruction of a human embryo
    Cells trapped in fibrin protein mesh — Stock Photo
    Cells trapped in fibrin protein mesh
    Destruction of a cancer cell by antibodies — Stock Photo
    Destruction of a cancer cell by antibodies
    Nerve cells and axon connections — Stock Photo
    Nerve cells and axon connections
    Breast cancer cells growing in culture — Stock Photo
    Breast cancer cells growing in culture
    Nerve cells affected by alzheimers — Stock Photo
    Nerve cells affected by alzheimers
    Nerve cells and axon connections — Stock Photo
    Nerve cells and axon connections
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Cucumber mosaic virus — Stock Photo
    Cucumber mosaic virus
    Female reproductive system — Stock Photo
    Female reproductive system
    Syphilis ulcer on vulva — Stock Photo
    Syphilis ulcer on vulva
    Nerve cells and axon connections — Stock Photo
    Nerve cells and axon connections
    Human ovary structure — Stock Photo
    Human ovary structure
    Female reproductive system — Stock Photo
    Female reproductive system
    Syphilis ulcer on vulva — Stock Photo
    Syphilis ulcer on vulva