n.
A hormone secreted by the anterior lobe of the pituitary gland that stimulates and regulates the activity of the thyroid gland. Also called thyroid-stimulating hormone, thyrotropic hormone.
[THYRO- + -TROP(H)IC + -IN.]
thyrotropic thy'ro·tro'pic (-trō'pĭk, -trŏp'ĭk) or thy'ro·tro'phic (-trō'fĭk, -trŏf'ĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.