Dictionary.com
definitions
  • synonyms

B cell

See more synonyms on Thesaurus.com
noun Biology.
  1. Also called B lymphocyte. a type of lymphocyte, developed in bone marrow, that circulates in the blood and lymph and, upon encountering a particular foreign antigen, differentiates into a clone of plasma cells that secrete a specific antibody and a clone of memory cells that make the antibody on subsequent encounters.
  2. Also called beta cell. a cell in the islet of Langerhans that produces and secretes insulin.

Origin of B cell

1970–75; (def 1) perhaps B(one-derived); (def 2) B(ursa of Langerhans-derived)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for b-cell

B-cell

noun
  1. another name for B-lymphocyte
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

b-cell in Medicine

B cell

n.
  1. beta cell
  2. A type of lymphocyte that, when stimulated by a particular antigen, differentiates into plasma cells that synthesize the antibodies that circulate in the blood and react with the specific antigens.B lymphocyte

b-cell in Science

B cell

  1. Any of the lymphocytes that develop into plasma cells in the presence of a specific antigen. The plasma cells produce antibodies that attack or neutralize the antigen in what is called the humoral immune response. B cells mature in the bone marrow before being released into the blood. Also called B lymphocyte Compare T cell.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

b-cell in Culture

B-cell

One of two main types of immune system lymphocytes (compare T-cell). B-cells originate and develop in the bone marrow and circulate throughout the blood and lymph fluids, recognizing foreign bacteria, viruses, and toxins and binding to them to facilitate their disposal by other cells.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
  • About
  • Cookies, Terms, & Privacy
© 2018 Dictionary.com, LLC.