Dictionary
heavy chain
noun
Definition of HEAVY CHAIN
: either of the two larger of the four polypeptide chains comprising antibodies — compare light chain
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First Known Use of HEAVY CHAIN
1964
Medical Dictionary
heavy chain
noun \ˈhev-ē-ˈchān\
Medical Definition of HEAVY CHAIN
: either of the two larger of the four polypeptide chains comprising antibodies—compare light chain
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