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a hormone secreted by the anterior pituitary gland that controls the degree of pigmentation in melanocytes

a hormone secreted by the anterior pituitary gland that controls the degree of pigmentation in melanocytes

Peptide hormones secreted by the intermediate lobe of the pituitary that stimulate melanin release and dispersal. Melanocyte-stimulating hormones are also found in the brain where they are presumed to play a signaling role.