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3171 results

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    Cancer cells dividing — Stock Photo
    Cancer cells dividing
    Nanoparticles in blood — Stock Photo
    Nanoparticles in blood
    Sporangium fungal cell with spores — Stock Photo
    Sporangium fungal cell with spores
    B-lymphocyte white blood cells — Stock Photo
    B-lymphocyte white blood cells
    Gall bladder lining — Stock Photo
    Gall bladder lining
    Red blood cells in a blood vessel — Stock Photo
    Red blood cells in a blood vessel
    E. coli bacteria in blood stream — Stock Photo
    E. coli bacteria in blood stream
    Viruses infecting human cells — Stock Photo
    Viruses infecting human cells
    Dividing cancerous cells — Stock Photo
    Dividing cancerous cells
    Columnar epithelium structure — Stock Photo
    Columnar epithelium structure
    Fungal cells with sporangia and spores — Stock Photo
    Fungal cells with sporangia and spores
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Leukaemia blood cells — Stock Photo
    Leukaemia blood cells
    Cultured cancer cells — Stock Photo
    Cultured cancer cells
    Tumour filling an alveolus of the human lung — Stock Photo
    Tumour filling an alveolus of the human lung
    Nerve cells and axon connections — Stock Photo
    Nerve cells and axon connections
    Zika virus particles — Stock Photo
    Zika virus particles
    Escherichia coli bacteria — Stock Photo
    Escherichia coli bacteria
    Staphylococcus bacteria cluster — Stock Photo
    Staphylococcus bacteria cluster
    Fungal cells showing sporangium — Stock Photo
    Fungal cells showing sporangium
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Influenza virus particles in blood stream — Stock Photo
    Influenza virus particles in blood stream
    Female reproductive system — Stock Photo
    Female reproductive system
    Breast tissue showing adenocarcinoma — Stock Photo
    Breast tissue showing adenocarcinoma
    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
    White blood cell — Stock Photo
    White blood cell
    Fungal cells and sporangia — Stock Photo
    Fungal cells and sporangia
    Red and white blood cells — Stock Photo
    Red and white blood cells
    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    Red blood cells — Stock Photo
    Red blood cells
    In vitro fertilisation process — Stock Photo
    In vitro fertilisation process
    Human red blood cells and platelets — Stock Photo
    Human red blood cells and platelets
    Human red blood cells — Stock Photo
    Human red blood cells
    White blood cell — Stock Photo
    White blood cell
    Destruction of cancer cell — Stock Photo
    Destruction of cancer cell
    Nanoparticles in blood — Stock Photo
    Nanoparticles in blood
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    White blood cell — Stock Photo
    White blood cell
    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
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Embryo selection for IVF — Stock Photo
    Embryo selection for IVF
    Lymphocytes attacking viruses — Stock Photo
    Lymphocytes attacking viruses
    Fungal cells revealing sporangium with spores — Stock Photo
    Fungal cells revealing sporangium with spores
    Human red blood cells — Stock Photo
    Human red blood cells
    Red blood cells in blood stream — Stock Photo
    Red blood cells in blood stream
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Immune response to cancer — Stock Photo
    Immune response to cancer
    Ovarian cells section — Stock Photo
    Ovarian cells section
    White blood cells — Stock Photo
    White blood cells
    Blood clot structure — Stock Photo
    Blood clot structure
    Artwork of Rod-shaped bacteria — Stock Photo
    Artwork of Rod-shaped bacteria
    Destruction of a human embryo — Stock Photo
    Destruction of a human embryo
    White blood cell — Stock Photo
    White blood cell
    Cancer cells with cytoplasmic projections — Stock Photo
    Cancer cells with cytoplasmic projections