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4094155 results

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    Red blood cells — Stock Photo
    Red blood cells
    Healthy red blood cells — Stock Photo
    Healthy red blood cells
    Monocyte white blood cell, digital illustration. — Stock Photo
    Monocyte white blood cell, digital illustration.
    Illustration of leucocyte cell surrounded by antibodies on black background. — Stock Photo
    Illustration of leucocyte cell surrounded by antibodies on black background.
    Lymphocyte white blood cell in human lymphatic system, digital illustration. — Stock Photo
    Lymphocyte white blood cell in human lymphatic system, digital illustration.
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Blood vessel with blood cells — Stock Photo
    Blood vessel with blood cells
    Artery partially blocked by an atheroma — Stock Photo
    Artery partially blocked by an atheroma
    Red blood cells — Stock Photo
    Red blood cells
    Cut in an artery seen from its interior — Stock Photo
    Cut in an artery seen from its interior
    Illustration of leucocyte cell surrounded by antibodies on white background. — Stock Photo
    Illustration of leucocyte cell surrounded by antibodies on white background.
    Structure of neutrophil white blood cell, digital illustration. — Stock Photo
    Structure of neutrophil white blood cell, digital illustration.
    Illustration of leucocyte cell surrounded by antibodies on white background. — Stock Photo
    Illustration of leucocyte cell surrounded by antibodies on white background.
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    Bloodstream showing red blood cells — Stock Photo
    Bloodstream showing red blood cells
    Light micrograph of blood cells (mainly B cells, dark purple) in the liver of a patient with lymphocytic leukaemia. — Stock Photo
    Light micrograph of blood cells (mainly B cells, dark purple) in the liver of a patient with lymphocytic leukaemia.
    Human red blood cells — Stock Photo
    Human red blood cells
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    Lymphocyte cell structure and shape — Stock Photo
    Lymphocyte cell structure and shape
    Appendix showing appendicitis — Stock Photo
    Appendix showing appendicitis
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia. — Stock Photo
    Digital illustration showing abundant lymphoblast cells in human blood in acute lymphoblastic leukaemia.
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Red and white blood cells, computer illustration. — Stock Photo
    Red and white blood cells, computer illustration.
    Donor blood in blood bags, close-up. — Stock Photo
    Donor blood in blood bags, close-up.
    3d illustration of leukocyte cells secreting allergen antibodies while allergy. — Stock Photo
    3d illustration of leukocyte cells secreting allergen antibodies while allergy.
    Macrophage foam cells containing lipid droplets, digital illustration. — Stock Photo
    Macrophage foam cells containing lipid droplets, digital illustration.
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Neutrophil white blood cell in blood, digital artwork. — Stock Photo
    Neutrophil white blood cell in blood, digital artwork.
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Digital illustration of eosinophil white blood cells with lobed nuclei colored in purple. — Stock Photo
    Digital illustration of eosinophil white blood cells with lobed nuclei colored in purple.
    Platelets in human blood, computer illustration. — Stock Photo
    Platelets in human blood, computer illustration.
    Coloured scanning electron micrograph of macrophage white blood cell. — Stock Photo
    Coloured scanning electron micrograph of macrophage white blood cell.
    White blood cells and proteins, digital illustration. — Stock Photo
    White blood cells and proteins, digital illustration.
    Abstract blood vessel with white and red blood cells, digital illustration. — Stock Photo
    Abstract blood vessel with white and red blood cells, digital illustration.
    Blood clot structure — Stock Photo
    Blood clot structure
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Doctor separating donor blood in blood bags into component parts. — Stock Photo
    Doctor separating donor blood in blood bags into component parts.
    3d illustration of red blood cells erythrocytes, white blood cells leukocytes and platelets thrombocytes. — Stock Photo
    3d illustration of red blood cells erythrocytes, white blood cells leukocytes and platelets thrombocytes.
    Neutrophil and monocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Neutrophil and monocyte white blood cells in blood smear, digital illustration.
    Digital artwork of white blood cells attacking red illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking red illuminated cancer cell.
    Digital artwork of white blood cells attacking illuminated cancer cell. — Stock Photo
    Digital artwork of white blood cells attacking illuminated cancer cell.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a human red blood cell (erythrocyte, red) and a white blood cell (leucoocyte, blue).
    White blood cell — Stock Photo
    White blood cell
    Human artery showing artery walls and bloodstream — Stock Photo
    Human artery showing artery walls and bloodstream
    Colored illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Colored illustration of cancer cell being attacked by white blood cells.
    White blood cell engulfing bacteria — Stock Photo
    White blood cell engulfing bacteria
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells. — Stock Photo
    Digital illustration of Neisseria gonorrhoeae bacteria inside neutrophil white blood cells.
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus — Stock Photo
    T lymphocyte (orange) attached to a cancer cell (blue), illustration. T lymphocytes are a type of white blood cell which matures in the thymus
    White blood cells, digital illustration. — Stock Photo
    White blood cells, digital illustration.
    Red blood cells and white blood cells — Stock Photo
    Red blood cells and white blood cells
    Megakaryocyte in human blood, computer illustration. — Stock Photo
    Megakaryocyte in human blood, computer illustration.
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei. — Stock Photo
    Eosinophil white blood cells in blood vessel, digital illustration showing lobed nuclei.
    Activated human macrophage — Stock Photo
    Activated human macrophage
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Pyoderma skin disease — Stock Photo
    Pyoderma skin disease