proinsulin

[ proh-in-suh-lin, -ins-yuh- ]
/ proʊˈɪn sə lɪn, -ˈɪns yə- /

noun Biochemistry.

the prohormone of insulin, converted into insulin by enzymatic removal of part of the molecule.

Origin of proinsulin

First recorded in 1915–20; pro-1 + insulin

Words nearby proinsulin

prohibition party, prohibitionist, prohibitive, prohibitory, prohormone, proinsulin, project, project note, projected window, projectile, projectile vomiting

Medical definitions for proinsulin

proinsulin
[ prō-ĭn′sə-lĭn ]

n.

A single-chain polypeptide that is the precursor of insulin, converted into insulin by enzymatic action.