What is the structure of white blood cells?

Blood consists of cells floating in plasma. Most of the cells are red blood cells. A much smaller number are white blood cells. There are also fragments formed from special cells in the bone marrow, called platelets. Picture. Red and white blood cells as seen under a light microscope. Picture. read more

Blood consists of cells floating in plasma. Most of the cells are red blood cells. A much smaller number are white blood cells. There are also fragments formed from special cells in the bone marrow, called platelets. read more

White blood cells are produced by bone marrow within bone. Some white blood cells mature in the lymph nodes, spleen, or thymus gland. The life span of mature leukocytes ranges from about a few hours to several days. Blood cell production is often regulated by body structures such as the lymph nodes, spleen, liver, and kidneys. read more

White blood cells (leukocytes), unlike red cells, are nucleated and independently motile. Highly differentiated for their specialized functions, they do not undergo cell division (mitosis) in the bloodstream, but some retain the capability of mitosis. read more