En
  • En English
  • De Deutsch
  • Fr Français
  • Sp Español
  • Ru Русский
  • It Italiano
  • Pt Português
  • Ua Українська
368 results

    OrientationOrientation
    PeoplePeople
    CategoryCategory
    ColorColor
    EditorialEditorial
    Safe SearchSafe Search
    Clear
    Hide
    Illustration of eosinophil white blood cell with purple lobed nuclei. — Stock Photo
    Illustration of eosinophil white blood cell with purple lobed nuclei.
    3d illustration of white blood cells leukocytes secreting antibodies in human body. — Stock Photo
    3d illustration of white blood cells leukocytes secreting antibodies in human body.
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, 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.
    Lymphocyte white blood cell, digital illustration. — Stock Photo
    Lymphocyte white blood cell, digital illustration.
    Plasma cell and antibodies — Stock Photo
    Plasma cell and antibodies
    Illustration of dendritic cell interacting with T-cells on black background. — Stock Photo
    Illustration of dendritic cell interacting with T-cells on black background.
    White blood cell and proteins, digital illustration. — Stock Photo
    White blood cell and proteins, digital illustration.
    Neutrophil is a granulocyte, a part of the innate immune system. — Stock Photo
    Neutrophil is a granulocyte, a part of the innate immune system.
    Mast cell releasing histamine during allergic response, digital illustration. — Stock Photo
    Mast cell releasing histamine during allergic response, digital illustration.
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample. — Stock Photo
    Colored scanning electron micrograph of resting T-lymphocytes from human blood sample.
    Structure of neutrophil white blood cell, digital illustration. — Stock Photo
    Structure of neutrophil white blood cell, digital illustration.
    Activated T lymphocytes and red blood cells on scanning electron micrograph. — Stock Photo
    Activated T lymphocytes and red blood cells on scanning electron micrograph.
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is brown. Mitochondria (orange) in the cell's cytoplasm produce energy for the cell. Lysosomes (blue) contain enzymes for digesting foreign particles — Stock Photo
    Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cell's nucleus is brown. Mitochondria (orange) in the cell's cytoplasm produce energy for the cell. Lysosomes (blue) contain enzymes for digesting foreign particles
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Illustration of a neutrophil. — Stock Photo
    Illustration of a neutrophil.
    Molecular models of antibody structures, digital illustration. — Stock Photo
    Molecular models of antibody structures, digital illustration.
    Immune system T-lymphocytes cells binding antigen, digital illustration. — Stock Photo
    Immune system T-lymphocytes cells binding antigen, digital illustration.
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Monocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Monocyte white blood cell in blood smear, digital illustration.
    Structure of neutrophil white blood cell, digital illustration. — Stock Photo
    Structure of neutrophil white blood cell, digital illustration.
    Mast cell releasing histamine during allergic response, digital illustration. — Stock Photo
    Mast cell releasing histamine during allergic response, digital illustration.
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept. — Stock Photo
    Digital illustration showing destruction of lymphoblast cells, acute lymphoblastic leukaemia treatment concept.
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia. — Stock Photo
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    T lymphocyte cells attached to cancer cell — Stock Photo
    T lymphocyte cells attached to cancer cell
    Pathogenic bacteria in the blood stream — Stock Photo
    Pathogenic bacteria in the blood stream
    Colored scanning electron micrograph of protective dendritic cell of immune system. — Stock Photo
    Colored scanning electron micrograph of protective dendritic cell of immune system.
    Illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Illustration of cancer cell being attacked by white blood cells.
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets. — Stock Photo
    Coloured scanning electron micrograph of human red blood cells, white blood cells and platelets.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Activated human macrophage — Stock Photo
    Activated human macrophage
    Illustration of eosinophil white blood cell with purple lobed nuclei. — Stock Photo
    Illustration of eosinophil white blood cell with purple lobed nuclei.
    Activated macrophage attacking bacteria — Stock Photo
    Activated macrophage attacking bacteria
    Immune system T-lymphocytes cells binding antigen, digital illustration. — Stock Photo
    Immune system T-lymphocytes cells binding antigen, digital illustration.
    Illustration of cancer cell being attacked by white blood cells. — Stock Photo
    Illustration of cancer cell being attacked by white blood cells.
    Colored scanning electron micrograph of human red blood cells erythrocytes, white blood cells leukocytes and platelet thrombocyte. — Stock Photo
    Colored scanning electron micrograph of human red blood cells erythrocytes, white blood cells leukocytes and platelet thrombocyte.
    Neutrophil white blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cells, digital illustration.
    Neutrophil in human blood, computer illustration. — Stock Photo
    Neutrophil in human blood, computer illustration.
    Digital artwork of T-lymphocyte cells attacking red cancer cell. — Stock Photo
    Digital artwork of T-lymphocyte cells attacking red cancer cell.
    Activation of T-cell immune response, illustration. — Stock Photo
    Activation of T-cell immune response, illustration.
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia. — Stock Photo
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia.
    Plasma cell, computer illustration. Plasma cells, which are found in the blood and lymph, are mature B lymphocytes (white blood cells) that produce and secrete antibodies during an immune response. — Stock Photo
    Plasma cell, computer illustration. Plasma cells, which are found in the blood and lymph, are mature B lymphocytes (white blood cells) that produce and secrete antibodies during an immune response.
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration. — Stock Photo
    Monocyte and lymphocyte white blood cells in blood smear, digital illustration.
    Illustration of HIV particles in blood. — Stock Photo
    Illustration of HIV particles in blood.
    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.
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia. — Stock Photo
    Colored illustration showing abundant lymphoblast cells in human bone marrow smear in acute lymphoblastic leukaemia.
    White blood cell — Stock Photo
    White blood cell
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    Lymphocyte white blood cell in blood smear, digital illustration. — Stock Photo
    Lymphocyte white blood cell in blood smear, digital illustration.
    Bacterial infection in the blood stream — Stock Photo
    Bacterial infection in the blood stream
    Neutrophil white blood cell and red blood cells, digital illustration. — Stock Photo
    Neutrophil white blood cell and red blood cells, digital illustration.
    B cell and antibodies, computer illustration — Stock Photo
    B cell and antibodies, computer illustration
    White blood cells, digital illustration. — Stock Photo
    White blood cells, digital illustration.
    Antibodies attacking cancer cell, computer illustration — Stock Photo
    Antibodies attacking cancer cell, computer illustration
    Lymphoma cancer cell — Stock Photo
    Lymphoma cancer cell
    Influenza virus particles in blood stream — Stock Photo
    Influenza virus particles in blood stream