MEDICAL PHYSIOLOGY

Detailed explanation-1: -Multiple myeloma is a cancer that forms in a type of white blood cell called a plasma cell. Healthy plasma cells help you fight infections by making antibodies that recognize and attack germs. In multiple myeloma, cancerous plasma cells accumulate in the bone marrow and crowd out healthy blood cells.

Detailed explanation-2: -Myeloma cells collect in the bone marrow and the outer layer of the bone. Because the cells begin in the blood plasma, myeloma is not a bone cancer, but is cancer that affects bones.