Let’s have a look at the topics to be covered under cells of the immune system….   Overview       Lymphocytes   Lymphocytes constitute 20%–40% of the body’s white blood cells and 99% of the cells in the lymph. There are approximately 1011 (range depending on body...

Mononuclear phagocytes   Monocytes are agranular leukocytes which originate in the bone marrow. Macrophages differentiate from circulating peripheral blood mononuclear cells (PBMCs), a common progenitor cell for many cell types including basophils, eosinophils, neutrophils, dendritic cells and...

Granulocytic cells   Introdction to Granulocytes:   Granulocytes are a type of leukocyte, or white blood cell. These cells are part of the immune system, and are involved in several different types of immune reaction. There are three types of granulocytes:...