Medical Definition of J chain

1. A polypeptide chain (15 kD), found in IgA and in IgM joining heavy chains (H chains) to each other to form dimers of IgA and pentamers of IgM. Disulphide bonds are formed between the J chain and H chains near the Fc ends of the heavy chains. Despite the similar name, it is not identical with the J region or coded for by the J gene. Synonym: J piece. (10 Jan 1998)

Lexicographical Neighbors of J Chain

JTWIs
JU
JUL
JUnit
JUs
JV
JVD
JVM
JVMs
JVP
JW
JWSDP
JWST
JWTK
J chain (current term)
J gene
J particle
J point
J region
J stroke
J strokes
Jabalpur
Jabat al-Tahrir al-Filistiniyyah
Jabba
Jabba the Hut
Jabba the Hutt
Jabbas
Jabberwock
Jabberwocky

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