Multiple sclerosis occurs when a person’s immune system is triggered to attack the myelin sheath—a protective coating surrounding nerve cells in the central nervous system (CNS). The CNS is made up of ...

Multiple myeloma is a type of blood cancer that starts in your bone marrow. This is the soft, spongy tissue inside your bones that makes most of your blood cells. It includes plasma cells, which help ...

Multiple myeloma is a rare blood cancer of the plasma cells in bone marrow -- the soft, spongy interior of bone where all blood cells are produced. Plasma cells are a type of white blood cell that ...

Multiple myeloma and AL amyloidosis are conditions linked to plasma cells in the bone marrow. Multiple myeloma (MM) is a cancer affecting the plasma cells, which are mostly in the bone marrow. MM ...