plural of tympanic membrane

plural of tympanic cavity

(anatomy) A small cavity surrounding the bones of the middle ear.

plural of tympanic bone

An annular tympanic bone, to which the tympanic membrane is attached.

plural of tympanic ring

The peculiar high-pitched quality of sound produced by percussion over the intestines, etc. when they contain air.

(neuroanatomy) A branch of the glossopharyngeal nerve arising from the petrosal ganglion and entering the middle ear where it takes part in forming the tympanic plexus.

(neuroanatomy) A nerve plexus of the middle ear that is formed by the tympanic nerve and two or three filaments from the carotid plexus, sends fibers to the mucous membranes of the middle ear, the eustachian tube, and the mastoid cells, and gives off the lesser petrosal nerve to the otic ganglion.