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1841 results

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    Common house dust mite — Stock Photo
    Common house dust mite
    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
    Human white blood cell — Stock Photo
    Human white blood cell
    Structure and shape of basophil — Stock Photo
    Structure and shape of basophil
    HIV viruses infecting T-lymphocyte cell — Stock Photo
    HIV viruses infecting T-lymphocyte cell
    Anthrax bacteria structure — Stock Photo
    Anthrax bacteria structure
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Schizosaccharomyces pombe yeast — Stock Photo
    Schizosaccharomyces pombe yeast
    Dividing cancerous cells — Stock Photo
    Dividing cancerous cells
    Structure of eosinophil blood cell — Stock Photo
    Structure of eosinophil blood cell
    Common house dust mite — Stock Photo
    Common house dust mite
    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
    Nerve cells and axon connections — Stock Photo
    Nerve cells and axon connections
    Structure of white blood cell — Stock Photo
    Structure of white blood cell
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    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
    Influenza viruses and host cell — Stock Photo
    Influenza viruses and host cell
    T-cell receptor-MHC-antigen complex — Stock Photo
    T-cell receptor-MHC-antigen complex
    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
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    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
    Red blood cells in blood stream — Stock Photo
    Red blood cells in blood stream
    Oligodendrocyte cell structure — Stock Photo
    Oligodendrocyte cell structure
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Ovarian cells section — Stock Photo
    Ovarian cells section
    Campylobacter bacteria colony — Stock Photo
    Campylobacter bacteria colony
    Blood clot structure — Stock Photo
    Blood clot structure
    Destruction of a human embryo — Stock Photo
    Destruction of a human embryo
    Schizosaccharomyces pombe yeast — Stock Photo
    Schizosaccharomyces pombe yeast
    Methicillin-resistant Staphylococcus aureus — Stock Photo
    Methicillin-resistant Staphylococcus aureus
    Lymphocyte cell structure and shape — Stock Photo
    Lymphocyte cell structure and shape
    Enterococcus bacteria colony — Stock Photo
    Enterococcus bacteria colony
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    Blood vessel with blood cells — Stock Photo
    Blood vessel with blood cells
    HIV viruses infecting T-lymphocytes — Stock Photo
    HIV viruses infecting T-lymphocytes
    Apoptosis of neuron cell — Stock Photo
    Apoptosis of neuron cell
    Sperm cell in a fallopian tube — Stock Photo
    Sperm cell in a fallopian tube
    Structure of eosinophil blood cell — Stock Photo
    Structure of eosinophil blood cell
    Enteroviruses and neuron — Stock Photo
    Enteroviruses and neuron
    Structure of white blood cell — Stock Photo
    Structure of white blood cell
    Chlamydia bacteria, illustration — Stock Photo
    Chlamydia bacteria, illustration
    HIV virus particles — Stock Photo
    HIV virus particles
    Destruction of a cancer cell by antibodies — Stock Photo
    Destruction of a cancer cell by antibodies