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luteinizing hormone




A hormone synthesized and secreted by gonadotropes in the anterior lobe of the pituitary gland in mammals. Luteinizing hormone (LH) is one of the gonadotropins, which are necessary for proper sexual function, the other being follicle-stimulating hormone (FSH). In males, luteinizing hormone stimulates production of androgens by the interstitial cells of the testes and in females ovulation, progesterone synthesis, and corpus luteum formation.


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