light chain

(redirected from L-chain)
Also found in: Dictionary, Medical.

light chain

[′līt ′chān]
(immunology)
The smaller of the two types of chains found in immunoglobulin molecules, molecular weight 23,500. Also known as B chain; L chain.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.