Assertion: middle ear's wall | /r/CapableOf | divide tympanic cavity
Facets:
value: from mastoid antrum
type: LOCATION
value: from mastoid air cells
type: TRANSITIVE-OBJECT
Source sentences:
text: Posterior wall: The posterior wall divides the tympanic cavity from mastoid antrum and mastoid air cells and presents these features:
text: Anterior wall of middle ear cavity Carotid; divides the tympanic cavity and the carotid canal.