Medically reviewed by Marla Anderson, MD Multiple myeloma is a rare type of blood cancer that starts in your plasma cells.

No nucleus to provide more space for haemoglobin. White blood cell Defend the body against disease. Large cells that contain a nucleus. There are 2 types: Lymphocytes – make antibodies.

Medically reviewed by Anita C. Chandrasekaran, MD An ANA blood test (antinuclear antibody test) is usually performed on a blood sample as part of the diagnostic process for certain autoimmune diseases ...