tympanic sulcus

(redirected from sulcus tympanicus)

tympanic sulcus

[TA]
the groove on the inner aspect of the tympanic part of the temporal bone in which the tympanic membrane is fixed.
References in periodicals archive ?
(4) They also showed that underlay tympanoplasty with elevation of annulus away from the sulcus tympanicus anteriorly did not result in blunting and lateralization of the graft.