メラニン凝ぎょう集しゅうホルモンMeanings1nounmelanin-concentrating hormonebiology›A peptide hormone involved in regulating skin color in fish and possibly feeding behavior in mammals. Technical term used in biology and endocrinology.メラニン凝ぎょう集しゅうホルモンは魚ぎょ類るいの体たい色しょく変へん化かに関かん与よしている。Melanin-concentrating hormone is involved in color change in fish.