Share this entry

Share this page

heavy chain

Syllabification: heav·y chain

Definition of heavy chain in English:

noun

Biochemistry
The protein subunit that, as one of a pair, makes up the major part of an immunoglobulin molecule.
Example sentences
  • Each antibody molecule is composed of four subunits - two identical heavy chains and two identical light chains.
  • All immunoglobulin molecules contain a light chain and a heavy chain.
  • One of the tests for antibodies in the dromedary blood seemed to show an error: in addition to normal four-chain antibodies, it indicated the presence of simpler antibodies composed solely of a pair of heavy chains.

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day emulous
Pronunciation: ˈemyələs
adjective
seeking to emulate or imitate someone or something