Assertion: tonsil | /r/CapableOf | form ring
Facets:
value: on lymphoid tissue
type: LOCATION
value: around the pharynx
type: LOCATION
Source sentences:
text: Each of the seven tonsils that form a ring around the pharynx are named for their specific region: a single pharyngeal tonsil ( adenoid ) in the rear wall of the nasopharynx, two palatine tonsils on each side wall of the oral cavity at its entrance in the throat, two lingual tonsils at the base of the tongue, and two small tubal tonsils in the pharynx at the entrance to the auditory tubes.
text: The tonsils form a ring on lymphoid tissue which is referred to as the pharyngeal lymphatic ring (tonsillar ring or Waldeyer’s ring).