腮腺管

腮腺管 (ductus paraotidicus) 是一对开口于耳前管的颊管。腮腺导管位于两侧腮腺开口的起始处，其开口通向腮腺与面颊之间的口腔。它们是头部乳头状区域小叶腺的衍生物，首先在

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Dr. William Whitbourne

Dr. William Whitbourne