ADENOID HYPERTROPHY (ENLARGED ADENOIDS) Adenoid hypertrophy is the unusual growth of Adenoid. ANATOMY AND PHYSIOLOGY The nasopharyngeal tonsil, commonly called “adenoids”, is situated at the junction of the roof and posterior wall of the nasopharynx. It is composed of vertical ridges of lymphoid tissue separated by deep clefts. Adenoid tissue is present at birth, shows physiological enlargement