tubotympanum

tubotympanum

/tu·bo·tym·pa·num/ (too″bo-tim´pah-num) the auditory tube and tympanic cavity considered together.
References in periodicals archive ?
Except for the first cleft and pouch--the persistence of which forms the external auditory canal and tubotympanum, respectively--these clefts and pouches are obliterated in the normal course of development.
Drainage is established through the facial recess from the mastoid to the tubotympanum.
To the right is the exposed mucous membrane of the tympanum and tubotympanum.