28. 裂唇(cleft lip)是因為內側鼻突(medial nasal process)與下列何者融合障礙(defective fusion)所致?
(A)下顎突 mandibular process
(B)側鼻突 lateral nasal process
(C)上顎突 maxillary process
(D)腭突 palatal process
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統計: A(0), B(2), C(11), D(0), E(0) #3353401
統計: A(0), B(2), C(11), D(0), E(0) #3353401