auricular fissure


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.

tym·pa·no·mas·toid fis·sure

[TA]
a fissure that separates the tympanic portion from the mastoid portion of the temporal bone; it transmits the auricular branch of the vagus nerve.

auricular fissure

A fissure of the petrous portion of the temporal bone.
See also: fissure

tym·pa·no·mas·toid fis·sure

(tim'pă-nō-mas'toyd fish'ŭr) [TA]
A fissure that separates the tympanic portion from the mastoid portion of the temporal bone; it transmits the auricular branch of the vagus nerve.
Synonym(s): auricular fissure.