pyramidal eminence


em·i·nen·ti·a py·ram·i·da·'lis

[TA] a conical projection posterior to the vestibular window in the middle ear; it is hollow and contains the stapedius muscle. Synonym(s): pyramid of tympanum, pyramidal eminence, pyramis tympani

pyramidal eminence

An elevation on the mastoid wall of the tympanic cavity. It contains a cavity through which the stapedius muscle passes. Synonym: pyramid of the tympanumSee also: eminence