amelanotic例句

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.

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