The bone marrow is the soft substance that fills bone cavities. It is composed of mature and immature blood cells and fat. The blood cells include white blood cells, red blood cells and platelets. Diseases or drugs that affect the bone marrow can affect the "total counts" of these cells.
BONE MARROW
Meaning of BONE MARROW in English
English dictionary of medicine. Английский словарь медицины. 2012