Objective:To explore whether or not the alar cartilage of the unilateral complete cleft lip fetus is hypoplastic by histological comparison to prove the etiology of deformity and provide theory basis for cleft lip surgery.

• 目的:通过组织学比较,探讨单侧完全性唇裂胎儿鼻翼软骨是否存在发育不足,以揭示其形成机制,为临床唇裂鼻的整复提供理论依据。