45.雷徹特氏軟骨(Reichert's cartilage)在胚胎發育過程,位於口咽部之第幾咽弓(pharyngeal
arch)?
(A)1
(B)2
(C)3
(D)4
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統計: A(105), B(975), C(44), D(12), E(0) #1035376
統計: A(105), B(975), C(44), D(12), E(0) #1035376