APP A peptide hormone produced by the anteri-or pituitary gland in vertebrates. It has amarked action on pigmentation in the skin of amphibians and reptiles,but its physiologicalrole in mammals is unclear.(MSH) 一种在脊椎动物中由腺垂体产生的肽类激素。对两栖类和爬行类动物皮肤......（本文共 236 字） [阅读本文] >>
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