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proinsulin

[proh-in-suh-lin, -ins-yuh-] /proʊˈɪn sə lɪn, -ˈɪns yə-/
noun, Biochemistry
1.
the prohormone of insulin, converted into insulin by enzymatic removal of part of the molecule.
Origin
1915-1920
1915-20; pro-1 + insulin
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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proinsulin in Medicine

proinsulin pro·in·su·lin (prō-ĭn'sə-lĭn)
n.
A single-chain polypeptide that is the precursor of insulin, converted into insulin by enzymatic action.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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