- a hormone, produced by the thymus gland, that promotes the development of T cells from stem cells.
Origin of thymosin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- A hormone secreted by the thymus that stimulates development of T cells.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.