thymosin Hear it!

thymosin definition

thy·mo·sin (t̸hī′mə sin)

noun

any of a group of hormones, secreted by the thymus, that stimulate the immune system by helping T cells mature

Etymology: < Gr thymos, thymus + -in

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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