18 中耳(middle ear)頂部的薄骨片(thin bony plate),為與上方腦腔(brain cavity)的區隔,此薄骨片稱
為?
(A)tegmen tympani
(B)aditus ad antrum
(C)posterior incus portion ligament
(D)jugular bulb
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統計: A(319), B(45), C(31), D(11), E(0) #2046090
統計: A(319), B(45), C(31), D(11), E(0) #2046090