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melanocyte-stimulating hormone
[ muh-lan-uh-sahyt-stim-yuh-ley-ting, mel-uh-nuh- ]
melanocyte-stimulating hormone
- A hormone that is secreted by the pituitary gland and regulates skin color by stimulating melanin synthesis in humans and other vertebrates. Melanocyte-stimulating hormone stimulates the melanin-producing cells (called melanocytes ) of mammals and the melanin-containing cells (called melanophores ) of reptiles and amphibians.
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Word History and Origins
Origin of melanocyte-stimulating hormone1
First recorded in 1950–55
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