groove of promontory of labyrinthine wall of tympanic cavity

groove of promontory of labyrinthine wall of tympanic cavity

[TA]

a narrow branched groove running vertically over the surface of the promontory in the middle ear, lodging the tympanic plexus.

Synonym(s): sulcus promontorii cavitatis tympanicae [TA], sulcus of promontory of tympanic cavity

Farlex Partner Medical Dictionary © Farlex 2012