3.決定皮膚顏色深淺的黑色素細胞(melanocyte)位在皮膚的那一層?
(A)真皮乳突層(dermis, papillary region)
(B)皮下層(subcutaneous layer)
(C)真皮網狀層(dermis, reticular region)
(D)表皮層(epidermis)
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統計: A(56), B(64), C(40), D(118), E(0) #3489311
統計: A(56), B(64), C(40), D(118), E(0) #3489311