岩乳管的解剖1904年由 Mouret 和 Rouviere首先描述,它是一条行程不恒定,并穿越迷路的管道,又名弓形下小管(subarcuate canalicu-lus),中耳感染可经此管进入颅后窝。此管较宽大为弓形下窝的遗迹,可见于胎儿,其内有硬脑膜和弓形下血管伸入。岩乳管上起自弓形下窝,在内耳道外侧。它在水平半规管之上,通过由上半规管形成的弓形构造,直接开口于鼓窦,管长 The anatomy of the rock ducts was first described by Mouret and Rouviere in 1904. It is a pipeline of unsteady stroke and labyrinthiasis, also known as subarcuate canalicu-lus. The middle ear infection can enter the posterior fossa of the skull through this tube . This tube is more arched vestibule relics can be seen in the fetus, which has dura and bow under the vascular extension. Rock ducts from the arcuate lower nest, outside the inner ear canal. It is above the horizontal semicircular canal, through the upper semicircular canal formed by the arch structure, opening directly in the sinuses, tube length