Third tonsil

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third tonsil --> pharyngeal tonsil

A collection of more or less closely aggregated lymphoid nodules on the posterior wall and roof of the nasopharynx, the hypertrophy of which constitutes the morbid condition called adenoids.

Synonym: tonsilla pharyngealis, tonsilla adenoidea, luschka's gland, luschka's tonsil, third tonsil. 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.