h-chain

H chain

noun Immunology.
Dictionary.com Unabridged

heavy chain

noun Immunology.
either of an identical pair of Y -shaped polypeptides that, together with the light chains, constitute the antibody molecule.
Also called H chain.


Origin:
1960–65

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To h-chain
Collins
World English Dictionary
heavy chain
 
n
immunol a type of polypeptide chain present in an immunoglobulin molecule

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

heavy chain heav·y chain (hěv'ē)
n.
One of a pair of polypeptide chains of high molecular weight that are components of an immunoglobin and that serve as the binding sites for antigens. They are separated into five types: gamma, alpha, delta, epsilon, and mu.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
heavy chain   (hěv'ē)  Pronunciation Key 
The larger of the two types of polypeptide chains in an immunoglobulin molecule. A heavy chain consists of an antigen-binding portion having a variable amino acid sequence, and a constant region that is different for each class of imunoglobulin. Each heavy chain is one of a Y-shaped identical pair and is attached along its variable region to a smaller light chain. Compare light chain.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature