[thahy-ruh-troh-pin, thahy-ro-truh-]

noun Biochemistry.

an anterior pituitary hormone that regulates the activity of the thyroid gland.

Also thy·ro·tro·phin [thahy-ruh-troh-fin, thahy-ro-truh-] /ˌθaɪ rəˈtroʊ fɪn, θaɪˈrɒ trə-/.

Origin of thyrotropin

First recorded in 1935–40; thyro- + -trope + -in2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for thyrotropin


thyrotrophin (ˌθaɪrəʊˈtrəʊfɪn)


a glycoprotein hormone secreted by the anterior lobe of the pituitary gland: it stimulates the activity of the thyroid glandAlso called: thyroid-stimulating hormone

Word Origin for thyrotropin

C20: from thyro- + -trope + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

thyrotropin in Medicine


[thī′rə-trōpĭn, thī-rŏtrə-]


A glycoprotein hormone secreted by the anterior lobe of the pituitary gland that stimulates and regulates activity of the thyroid gland.thyroid-stimulating hormone thyrotropic hormone
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

thyrotropin in Science


[thī′rə-trōpĭn, thī-rŏtrə-]

See thyroid stimulating hormone.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.