描述

The internal acoustic opening is a large orifice near the center of posterior surface of petrous part, its size varies considerably; its margins are smooth and rounded, and it leads into a short canal, the internal acoustic meatus, about 1 cm. in length, which runs lateralward. It transmits the facial and acoustic nerves and the internal auditory branch of the basilar artery.


影像

下载e-Anatomy

手机和平板用户可以在Appstore或GooglePlay下载e-Anatomy

e-Anatomy 在Appstore e-Anatomy 在Googleplay