petrosal nerve

noun

(neuroanatomy) Any of several small nerves passing through foramina in the petrous portion of the temporal bone.

The petrosal nerve is responsible for transmitting sensory information from the middle ear to the brain.

意味（1）

(neuroanatomy) Any of several small nerves passing through foramina in the petrous portion of the temporal bone.

Meronyms: deep petrosal nerve, greater petrosal nerve, lesser petrosal nerve