48. 後鼻棘(posterior nasal spine)由下列何者構成?
(A)腭骨(palatine bone)
(B)蝶骨(sphenoid bone)
(C)篩骨(ethmoid bone)
(D)犁骨(vomer)

1. 題目解析本題的重點在於後鼻棘（p...