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 Some of these include luteinizing hormone or LH (which controls the release of eggs during the menstrual cycle), estradiol (which is produced by the ovaries and helps maintain the reproductive system), and free thyroxine or fT4, which is the main hormone produced by the thyroid. —Sarah Bradley, Peoplemag, 12 Apr. 2023 Like zinc, ashwagandha extract increases the amount of luteinizing hormone in the body. —Amber Smith, Discover Magazine, 6 Oct. 2023 As was noted above, the luteinizing hormone tells the testis to produce testosterone. —Amber Smith, Discover Magazine, 6 Oct. 2023 In a similar way to humans experiencing menopause, levels of follicle-stimulating hormone and luteinizing hormone increased in chimps, while levels of estrogens and progestins decreased. —Will Sullivan, Smithsonian Magazine, 30 Oct. 2023 Being deficient in zinc prevents the pituitary gland from making and releasing luteinizing hormone, which is needed to create testosterone. —Amber Smith, Discover Magazine, 6 Oct. 2023 Fertility hormone tests look for anywhere from one to seven markers of fertility, including progesterone, luteinizing hormone (LH) for ovulation prediction, and follicle-stimulating hormone (FSH) for egg quality. —Sarah Bradley, Peoplemag, 12 Apr. 2023 It has been shown to increase the presence of luteinizing hormone. —Amber Smith, Discover Magazine, 6 Oct. 2023 Zinc is essential for producing luteinizing hormone (LH), which stimulates testosterone production in the testes. —Discover Magazine, 29 Apr. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'luteinizing hormone.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1931, in the meaning defined above

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

Dictionary Entries Near luteinizing hormone

luteinization

luteinizing hormone

luteinizing hormone-releasing factor

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Cite this Entry

“Luteinizing hormone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/luteinizing%20hormone. Accessed 18 Apr. 2024.

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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

More from Merriam-Webster on luteinizing hormone

Britannica.com: Encyclopedia article about luteinizing hormone

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