Assertion: temporal bone's part | /r/HasProperty | the epitympanum
Facets:
Source sentences:
text: There are three parts: the epitympanum, mesotympanum, and hypotympanum.
text: The tympanic cavity is divided, somewhat arbitrarily, into three intercommunicating parts: the epitympanum, the mesotympanum, and the hypotympanum, corresponding, respectively, to the superior, middle, and inferior levels of the middle ear cavity (Figs.