3.下列何種毛囊(hair bulb)結構的細胞進行分裂,與毛髮生長有直接關係?
(A)毛髮根的髓質部(medulla of hair root)
(B)毛髮基質(hair matrix)
(C)上皮根鞘之內鞘(epithelial root sheath, internal root sheath)
(D)毛髮根的皮質部(cortex of hair root)
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統計: A(162), B(518), C(112), D(46), E(0) #3279933
統計: A(162), B(518), C(112), D(46), E(0) #3279933