heavy chain noun
: either of the two larger of the four polypeptide chains comprising antibodies — compare light chain
First Known Use of HEAVY CHAIN
heavy chain noun \ˈhev-ē-ˈchān\ (Medical Dictionary)
: either of the two larger of the four polypeptide chains comprising antibodies—compare light chain
Illustration of HEAVY CHAIN
Seen & Heard
What made you want to look up heavy chain? Please tell us where you read or heard it (including the quote, if possible).