A case of acral amelanotic melanoma is reported.报告1例肢端无色素性黑素瘤.Objective : To isolate and culture hair outer root sheath amelanotic melanocyte derived from human scalp.目的从人头皮毛囊外根鞘分离纯化培养无色素黑素细胞....

amelanotic的音标：amelanotic的英式发音音标为：[æmelə'nɒtɪk]amelanotic的美式发音音标为：[æmelə'nɒtɪk]...

无黑色素的，非黑色素性黑素瘤...