1 乳突竇入口(aditus ad antrum)是乳突竇(mastoid antrum)與下列何者的聯通小道?
(A)中鼓室(mesotympanic cavity)
(B)下鼓室(hypotympanum)
(C)上鼓室隱窩(epitympanic recess)
(D)前鼓室(protympanic space)
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統計: A(17), B(15), C(200), D(5), E(0) #1372295
統計: A(17), B(15), C(200), D(5), E(0) #1372295