luteinizing hormone

noun

, Biochemistry.

1. LH.

luteinizing hormone

/ ˈluːtɪɪˌnaɪzɪŋ /

noun

1. 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 LH Also calledinterstitial cell-stimulating hormone See also follicle-stimulating hormone prolactin

luteinizing hormone

/ 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.

Word History and Origins

Origin of luteinizing hormone¹

First recorded in 1930–35

Word History and Origins

Origin of luteinizing hormone¹

C19: from Latin lūteum egg yolk, from lūteus yellow

Example Sentences

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

Then, Mira will read the levels of your luteinizing hormone and sync the data to an app that learns about your body’s cycle and tells you the best time to conceive.

From The Verge

Boys with an increase of pyrethroid in their system were associated with an increase in luteinizing hormone and follicle-stimulating hormone.

From Washington Times

The first test gives an idea of whether the two hormones that coordinate ovulation – ‘luteinizing hormone’ and ‘follicle-stimulating hormone’ – stand in the right ratios to one another and to levels of estrogen.

From Salon

Those who experienced a spike in their luteinizing hormone level were expected to ovulate within 24 hours.

From US News