表皮黑色素單位 epidermal melanin unit

　　表皮黑色素細胞
、黑素細胞（melanocyte）chanshengdeheisesuyidaobiaopixibao
，bianchuxiantise。congerzhexiesesuxibaoyushourongheisesudebiaopixibaozuhezaiyiqi，xingchengxingtaixingtisebianhuadejinengdanwei，chengweibiaopiheisesudanwei。