J chain

noun
\ ˈjā-ˌchān How to pronounce J chain (audio) \

Medical Definition of J chain

: a relatively short polypeptide chain with a molecular weight of about 35,000 daltons and a high number of cysteine residues that is found in antibodies of the IgM and IgA classes

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Dictionary Entries Near J chain

JCAHO

J chain

jejuna

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Cite this Entry

“J chain.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/J%20chain. Accessed 26 Jan. 2022.

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