luteinizing hormone

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A hormone produced by the anterior lobe of the pituitary gland that stimulates ovulation and the development of the corpus luteum in the female and the production of testosterone by the interstitial cells of the testis in the male.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun biochemistry A hormone, produced by part of the pituitary gland, that stimulates ovulation and the development of the corpus luteum in female mammals, and the production of androgens by male mammals.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a gonadotropic hormone that is secreted by the anterior pituitary; stimulates ovulation in female mammals and stimulates androgen release in male mammals