Definition of melanocyte-stimulating hormone in English:

melanocyte-stimulating hormone

Pronunciation /ˈmelənōˌsīt/ /ˈmɛlənoʊˌsaɪt/ /məˈlanōˌsīt ˈstimyəˌlādiNG ˈhôrˌmōn/ /məˈlænoʊˌsaɪt ˈstɪmjəˌleɪdɪŋ ˈhɔrˌmoʊn/


  • A hormone secreted by the pituitary gland that is involved in pigmentation changes.

    ‘Islet cell tumors also may produce adrenocorticotrophin hormone, melanocyte-stimulating hormone, antidiuretic hormone, norepinephrine, and serotonin.’
    • ‘Patients with Addison's disease should be treated with mineralocorticoid and glucocorticoid replacement to reduce the drive for excess production of adrenocorticotropic hormone and melanocyte-stimulating hormone.’
    • ‘Excessive pigmentation can be caused by oversecretion of adrenocorticotrophic hormones and an associated melanocyte-stimulating hormone from the pituitary gland.’
    • ‘Here we report that PT - 141, a peptide analogue of { alpha } melanocyte-stimulating hormone that binds to central melanocortin receptors, selectively stimulates solicitational behaviors in the female rat.’