12+ Internal Auditory Meatus Anatomy. The cholesteatoma of the external auditory canal was cleared by otoendoscopy. The internal auditory meatus (also meatus acusticus internus, internal acoustic meatus, internal auditory canal, or internal acoustic canal) is a canal within the petrous part of the temporal bone of the skull between the posterior cranial fossa and the inner ear.
The opening to the meatus is called the porus acusticus internus or internal acoustic opening. External acoustic meatus extends from the base of the concha towards the tympanic membrane and alongside its posterior wall measures nearly 24. The canal extending through the petrous portion of the temporal bone, through which the glossopharyngeal nerve auditory meatus — noun either of the passages in the outer ear from the auricle to the tympanic membrane • syn:
The internal auditory canal (iac), also referred to as the internal acoustic meatus lies in the temporal bone and exists between the inner ear and posterior knowledge of the anatomy and relationship of these structures plays a vital role during the evaluation and management of diseases involving the.
The external acoustic meatus (also external auditory meatus, external auditory canal or ear canal, latin: Gross anatomy of temporal bone including zygomatic process, squamous suture, external and internal auditory meatus Read reviews from world's largest community for readers. This article describes the anatomy and physiology of the hearing process and auditory pathway from the ear to the brain cortex.