One of two glycoprotein hormones that stimulate the final ripening of the follicles and the secretion of progesterone by them, their rupture to release the egg, and the conversion of the ruptured follicle into the corpus luteum. SYN: interstitial cell-stimulating hormone, luteinizing hormone, luteinizing principle.
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lu·tro·pin (loo-troґpin) luteinizing hormone.Medical dictionary. 2011.