Search J chain J chain, a polypeptide chain that holds immunoglobulin A (IgA) dimers and IgM pentamers together. Tweet Telegram VK Random Words ACNM jackknife position phocomelic dwarf Phospholine Iodide jejunostomy olefiant gas nonnucleoside reverse transcriptase inhibitors (NNRTI) operative cholangiography chronic myelogenous leukemia