Assertion: nasopharynx's opening | /r/CapableOf | lead into middle ear
Facets:
value: on each side
type: MANNER
Source sentences:
text: The nostrils lead through the nasal cavity into the nasopharynx, and an opening called the Eustachian tube, which is located on each side of the nasopharynx, leads into the middle ear on each side (see Medical Illustrations).