|- style="text-align: center; line-height: 1;" class="hiddenStructure"
| colspan="2" |Diagrammatic view of the fundus of the right internal acoustic meatus.
|- class="hiddenStructure"
|Latin
|colspan="2"|meatus acusticus internus
|- class="hiddenStructure"
|
|colspan="2"|[subject #34 ]
|- class="hiddenStructure"
|System
|colspan="2"|
|- class="hiddenStructure"
|Precursor
|colspan="2"|
|- class="hiddenStructure"
|MeSH
|colspan="2"|[]
|- class="hiddenStructure"
|Dorlands/Elsevier
|colspan="2"|[m_06/12518154]
|}
Near the center of the posterior surface of the temporal bone is a large orifice, the internal acoustic meatus (or internal auditory meatus), the size of which varies considerably; its margins are smooth and rounded, and it leads into a short canal, about 1 cm. in length, which runs lateralward.
