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  2. White blood cell - Wikipedia

    en.wikipedia.org/wiki/White_blood_cell

    White blood cells are part of the body's immune system. They help the body fight infection and other diseases. Types of white blood cells are granulocytes (neutrophils, eosinophils, and basophils), and agranulocytes (monocytes, and lymphocytes (T cells and B cells)). [5] Myeloid cells (myelocytes) include neutrophils, eosinophils, mast cells ...

  3. Lymphocyte - Wikipedia

    en.wikipedia.org/wiki/Lymphocyte

    A lymphocyte is a type of white blood cell (leukocyte) in the immune system of most vertebrates. [1] Lymphocytes include T cells (for cell-mediated and cytotoxic adaptive immunity), B cells (for humoral, antibody-driven adaptive immunity), [2] [3] and innate lymphoid cells (ILCs; "innate T cell-like" cells involved in mucosal immunity and homeostasis), of which natural killer cells are an ...

  4. Immune system - Wikipedia

    en.wikipedia.org/wiki/Immune_system

    Upon fusing with the cancer cell, the macrophages (smaller white cells) inject toxins that kill the tumor cell. Immunotherapy for the treatment of cancer is an active area of medical research. [141] The main response of the immune system to tumors is to destroy the abnormal cells using killer T cells, sometimes with the assistance of helper T ...

  5. List of immune cells - Wikipedia

    en.wikipedia.org/wiki/List_of_immune_cells

    List of immune cells. This is a list of immune cells, also known as white blood cells, white cells, leukocytes, or leucocytes. They are cells involved in protecting the body against both infectious disease and foreign invaders. [1]

  6. Adaptive immune system - Wikipedia

    en.wikipedia.org/wiki/Adaptive_immune_system

    The cells that carry out the adaptive immune response are white blood cells known as lymphocytes. B cells and T cells , two different types of lymphocytes, carry out the main activities: antibody responses, and cell-mediated immune response.

  7. Plasma cell - Wikipedia

    en.wikipedia.org/wiki/Plasma_cell

    70574. Anatomical terms of microanatomy. [edit on Wikidata] Plasma cells, also called plasma B cells or effector B cells, are white blood cells that originate in the lymphoid organs as B cells [1][2] and secrete large quantities of proteins called antibodies in response to being presented specific substances called antigens.

  8. Innate immune system - Wikipedia

    en.wikipedia.org/wiki/Innate_immune_system

    A scanning electron microscope image of normal circulating human blood. One can see red blood cells, several knobby white blood cells including lymphocytes, a monocyte, a neutrophil, and many small disc-shape platelets. White blood cells (WBCs) are also known as leukocytes. Most leukocytes differ from other cells of the body in that they are ...

  9. B cell - Wikipedia

    en.wikipedia.org/wiki/B_cell

    B cells, also known as B lymphocytes, are a type of white blood cell of the lymphocyte subtype. [1] They function in the humoral immunity component of the adaptive immune system. [1] B cells produce antibody molecules which may be either secreted or inserted into the plasma membrane where they serve as a part of B-cell receptors. [2]