pharyngeal tonsil The lymph tissue in the roof and posterior wall of the nasopharynx. GAID:1288 Rachenmandel BTO:0000777 Wikipedia:Pharyngeal_tonsil MA:0000774 NCIT:C33318 EV:0100054 adenoid tonsil of Luschka MESH:D000234 tonsilla pharyngea FMA:54970 nasopharyngeal tonsil SCTID:181199001 tonsilla pharyngealis tonsil nasal-associated lymphoid tissue