Assertion: eardrum | /r/CapableOf | anchor tympanic membrane
Facets:
Source sentences:
text: Middle fibrous layer: thin/absent in pars flaccida; contains 3 types of fibers – radial, circular and parabolic; these fibers blend with the fibrocartilaginous tympanic ring at the circumference of tympanic membrane which anchors the tympanic membrane in the tympanic sulcus of the bony ear canal.