luteinizing hormone

American  

noun

Biochemistry.

1. LH.

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luteinizing hormone British  

/ ˈluːtɪɪˌnaɪzɪŋ /

noun

1.  LH.  Also called: interstitial cell-stimulating hormone.  a gonadotrophic hormone secreted by the anterior lobe of the pituitary gland. In female vertebrates it stimulates ovulation, and in mammals it also induces the conversion of the ruptured follicle into the corpus luteum. In male vertebrates it promotes maturation of the interstitial cells of the testes and stimulates androgen secretion See also follicle-stimulating hormone prolactin

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luteinizing hormone Scientific  

/ lo̅o̅′tē-ə-nī′zĭng /

1. A glycoprotein hormone produced by the anterior portion of the pituitary gland. Luteinizing hormone stimulates ovulation and the development of the corpus luteum in female mammals and the production of testosterone in males.

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Etymology

Origin of luteinizing hormone

First recorded in 1930–35

Example Sentences

The researchers measured hormone levels associated with human menopause, which include increasing levels of follicle-stimulating hormone and luteinizing hormone, as well as decreasing levels of ovarian steroid hormones including estrogens and progestins.

From Science Daily • Oct. 26, 2023

So she and her colleagues began collecting urine samples from the primates and testing them for hormonal changes, such as increases in luteinizing hormone and decreases in estradiol, that indicate menopause in humans.

From Scientific American • Oct. 26, 2023

They also had significantly lower follicle-stimulating hormone levels and lower luteinizing hormone levels, both indicators of better testicular function.

From New York Times • Jan. 17, 2020

Fourteen days later, the researchers added luteinizing hormone, which stimulated the ovaries to release an egg and begin to produce progesterone.

From Nature • Mar. 27, 2017

Just prior to ovulation, a surge of luteinizing hormone triggers the resumption of meiosis in a primary oocyte.

From Textbooks • Jun. 19, 2013