Assertion: nasopharyngeal tonsil | /r/AtLocation | the roof
Facets:
Source sentences:
text: In total, 6 tonsils comprise the pharyngeal lymphoid ring (Waldeyer’s tonsillar ring): the paired palatine tonsils (tonsils, located between the palatoglossal and palatopharyngeal arches), the tubal tonsil (eustachian tonsil, associated with the pharyngeal opening of the auditory tube), the unpaired lingual tonsils (lingual tonsils, located on the floor of the oropharyngeal passageway, at the root of the tongue) and the pharyngeal tonsils (adenoid tonsils, located in the roof and the posterior wall of the nasopharynx, also called polyps).