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386 results

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    Blood clot or thrombus — Stock Photo
    Blood clot or thrombus
    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
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    White blood cell — Stock Photo
    White blood cell
    Lymphocytes attacking viruses — Stock Photo
    Lymphocytes attacking viruses
    Human red blood cells — Stock Photo
    Human red blood cells
    Oligodendrocyte cell structure — Stock Photo
    Oligodendrocyte cell structure
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Ovarian cells section — Stock Photo
    Ovarian cells section
    White blood cell — Stock Photo
    White blood cell
    Campylobacter jejuni bacteria — Stock Photo
    Campylobacter jejuni bacteria
    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
    Chlamydia bacteria, illustration — Stock Photo
    Chlamydia bacteria, illustration
    Chlamydia bacteria, illustration — Stock Photo
    Chlamydia bacteria, illustration
    Neurone embedded in grey matter — Stock Photo
    Neurone embedded in grey matter
    Neutrophil cells aggregating at site of infection — Stock Photo
    Neutrophil cells aggregating at site of infection
    Helicobacter pyloris bacteria — Stock Photo
    Helicobacter pyloris bacteria
    Blood clotting in an ovarian follicle — Stock Photo
    Blood clotting in an ovarian follicle
    Nanorobot on red blood cell — Stock Photo
    Nanorobot on red blood cell
    Sperm cells in seminiferous tubules — Stock Photo
    Sperm cells in seminiferous tubules
    Chlamydia bacteria, illustration — Stock Photo
    Chlamydia bacteria, illustration
    Visual render of Human skin anatomy — Stock Photo
    Visual render of Human skin anatomy
    Woman talking on phone — Stock Photo
    Woman talking on phone