light chain


light chain

noun

Definition of LIGHT CHAIN

:  either of the two smaller of the four polypeptide chains comprising antibodies — compare heavy chain

First Known Use of LIGHT CHAIN

1964

light chain

noun    (Medical Dictionary)

Medical Definition of LIGHT CHAIN

: either of the two smaller of the four polypeptide chains that are subunits of antibodies—called also L chain; compare heavy chain

Illustration of LIGHT CHAIN

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