luteinizing hormone

noun

: 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

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For now, Cue offers the ability to test for testosterone, vitamin D, the flu virus, luteinizing hormone, which indicates a woman's fertility, and C-reactive protein, which serves as a marker of inflammation. IEEE Spectrum, 13 May 2014 The hormones that affect menstruation include follicle-stimulating hormone (FSH) and luteinizing hormone (LH). Jamie Johnson, Verywell Health, 4 Feb. 2025 This is a hormone similar in structure to luteinizing hormone (LH) that tells the body when to produce testosterone. Matthew Wosnitzer, Verywell Health, 5 Jan. 2025 Just before ovulation, luteinizing hormone (LH) spikes, triggering the egg release. Wendy Wisner, Health, 22 Dec. 2024 See All Example Sentences for luteinizing hormone

Word History

First Known Use

1931, in the meaning defined above

Time Traveler
The first known use of luteinizing hormone was in 1931

Cite this Entry

“Luteinizing hormone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/luteinizing%20hormone. Accessed 3 Mar. 2025.

Kids Definition

luteinizing hormone

noun
lu·​tein·​iz·​ing hormone
ˈlüt-ē-ə-ˌnī-ziŋ-
: a hormone produced by the pituitary gland that in the female stimulates ovulation and the development of the corpora lutea and in the male stimulates production of testosterone by certain cells in the testis

Medical Definition

luteinizing hormone

noun
: 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

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