Definition: A type of white blood cell, or immune cell, that is manufactured in the bone marrow. The main function of B cells is to produce and secrete antibodies.
Also Known As: B lymphocytes
B Cells
By Julie Stachowiak, Ph.D., About.com
Updated: January 14, 2008
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
Explore Multiple Sclerosis
Must Reads
About.com Special Features
Learn how you can reduce your your numbers with these nutrition and exercise tips. More >
Keep yourself, and your family, happy and healthy this fall with these tips. More >
Also from About.com:
©2009 About.com, a part of The New York Times Company.
All rights reserved.