tonsilla pharyngealis
       n : a collection of lymphatic tissue in the throat behind the
           uvula (on the posterior wall and roof of the
           nasopharynx); "hypertrophy of the pharyngeal tonsils is
           called adenoids"; "enlarged adenoids may restrict the
           breathing of children" [syn: pharyngeal tonsil, adenoid,
            Luschka's tonsil, third tonsil, tonsilla adenoidea]