Adenoids are a group of tissues located high on the rear wall of the throat (pharynx). They are made up of lymphatic tissue, which trap and destroy bacteria, viruses, and other microbes.
Reviewed By: Ashutosh Kacker, MD, FACS, Professor of Clinical Otolaryngology, Weill Cornell Medical College, and Attending Otolaryngologist, New York-Presbyterian Hospital, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. Editorial update 04-30-19.
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