Term Name: tonsillar ring
Synonyms: anulus lymphoideus pharyngis, oropharyngeal lymphoid tissue, pharyngeal lymphatic ring, pharyngeal lymphoid ring, Waldeyer's ring, Waldeyer's tonsillar ring
Definition: the circular lymphoid tissue formed by the lingual, pharyngeal, and facial tonsils
Ontology: Cell Ontology [UBERON:0001735]

Relationships
is part of: chordate pharynx
has parts: tonsil
is a type of: gut-associated lymphoid tissue mucosa-associated lymphoid tissue