耳道內的耵聹腺(Ceruminous glands)是由何者特化而來? (A)汗. 腺(B)皮脂腺(C)黏液腺(D)內分泌腺 ... (sebaceous gland) (B)豎毛肌(arrector pili muscle) (C)觸覺小體.
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