luteinizing hormone

noun

Definition of luteinizing hormone 

: a hormone secreted by the anterior lobe of the pituitary gland that in the female stimulates ovulation and the development of corpora lutea and in the male the development of interstitial tissue in the testis

Examples of luteinizing hormone in a Sentence

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Around the middle of your cycle, your estrogen levels peak and cause a big rise in luteinizing hormone (LH), which causes the follicle to burst and release an egg from your ovary in a process known as ovulation. Korin Miller, SELF, "Is There Any Reliable Way to Make Your Period Come Faster?," 11 July 2018 When your body builds up enough estrogen and increases the amount of luteinizing hormone in your body, an egg is released and is carried into the fallopian tubes. Tehrene Firman, Woman's Day, "When Do Women Ovulate? Here's Everything You Need to Know," 13 June 2018 Hypothalamic hypogonadism: This condition happens when your ovaries produce little or no gonadotropin-releasing hormone (GnRH), follicle stimulating hormone (FSH), and luteinizing hormone (LH), according to the U.S. National Library of Medicine. Korin Miller, SELF, "How Long Does a Period Last, Normally?," 17 May 2018 Giacobini’s group had previously found that AMH could act on a set of neurons in the brain, which then triggers the release of luteinizing hormone (LH) by part of the pituitary gland. Jennifer Couzin-frankel, Science | AAAS, "Scientists may be closer to understanding a mysterious but common cause of female infertility," 14 May 2018 During this time, your estrogen levels crest, which signals your pituitary gland to release a surge of luteinizing hormone (LH). Zahra Barnes, SELF, "This Is Exactly What Happens During Your Menstrual Cycle," 23 Feb. 2018 After 14 days of ibuprofen use, the researchers observed higher blood levels of luteinizing hormone, which regulates the production of testosterone and other hormones. Jamie Ducharme, Time, "Regular Ibuprofen Use May Contribute to Male Infertility, Study Says," 9 Jan. 2018 There found an increase in luteinizing hormones, which stimulate the body’s testosterone production. Madeleine Aggeler, The Cut, "Could Ibuprofen Impact Male Fertility?," 9 Jan. 2018 Testosterone production, however, did not increase concurrently, resulting in a lower ratio of testosterone to luteinizing hormone — a sign of hypogonadism, according to the paper. Jamie Ducharme, Time, "Regular Ibuprofen Use May Contribute to Male Infertility, Study Says," 9 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'luteinizing hormone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of luteinizing hormone

1931, in the meaning defined above

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19 Sep 2018

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The first known use of luteinizing hormone was in 1931

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More Definitions for luteinizing hormone

luteinizing hormone

noun

Medical Definition of luteinizing hormone 

: a glycoprotein hormone that is secreted by the adenohypophysis and that in the female stimulates ovulation and the development of the corpora lutea and together with follicle-stimulating hormone the secretion of estrogen from developing ovarian follicles and in the male the development of interstitial tissue in the testis and the secretion of testosterone abbreviation LH

called also interstitial-cell stimulating hormone, lutropin

More from Merriam-Webster on luteinizing hormone

Britannica.com: Encyclopedia article about luteinizing hormone

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