These are usually lateral on the nostrils and anterolateral to the excurrent apertures, but may be anterior to the excurrent apertures only.

这些通常在鼻孔侧面的与流出孔前外侧的，但是可能只有位于流出孔前的。

The common bile duct passes inferiorly, anterior to the epiploic foramen, where it is anterior to the right edge of the portal vein and on the right side of the hepatic artery.

胆总管下行于网膜孔前方，位于门静脉右缘前方和肝动脉右侧。