Medical Dictionary

constant region


Medical Definition of constant region

  1. :  the part of the polypeptide chain of a light or heavy chain of an antibody that ends in a free carboxyl group −COOH and that is relatively constant in its sequence of amino acid residues from one antibody to another—called also constant domain; compare variable region

Illustration of constant region

Seen and Heard

What made you want to look up constant region? Please tell us where you read or heard it (including the quote, if possible).


a trip made at another's expense

Get Word of the Day daily email!