tonsil GAID:341 NCIT:C12802 uberon FMA:9609 Either of the two small almond-shaped masses of lymph tissue found on either side of the oropharynx. EV:0100052 BTO:0001387 MESH:A03.867.603.925 UMLS:C0836921 VHOG:0001139 the term 'tonsil' can be ambiguous, sometimes refering specifically to the palatine tonsil, sometimes generically to include the cecal tonsils of avians. This class represents lymphoid tissue that is part of the tonsillar ring, in the mouth/throat region Mandel OpenCyc:Mx4rvVivrZwpEbGdrcN5Y29ycA CALOHA:TS-1053 UBERON:0002372 UMLS:C1519548 MA:0000143 UMLS:C1519547 EFO:0001401 EMAPA:35871 epithelium-associated lymphoid tissue