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Adenoid
Adenoids are a mass of lymphoid tissue situated at the very back of the nose (the nasopharynx). These folds of lymphatic tissue are much like a mat of tiny lymph nodes. Adenoids are studded in the roof of a passage called the nasopharynx (where the nose blends into the mouth). Adenoids are sometimes called the nasopharyngeal tonsils. Normally, in children, they make a soft mound in the roof and posterior wall of the nasopharynx, just above and behind the uvula. Adenoids are part of the immune system. Like all lymphoid tissue, they trap infectious agents like viruses and bacteria, and they produce antibodies. Since the adenoids are located at the back of the nasal airway, they provide defense against inhaled substances.
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Health & Medicine News
March 18, 2026
Mar. 18, 2026 Your morning coffee or tea could be quietly supporting your brain health. A long-term study found that moderate consumption of caffeinated coffee or tea was linked to an 18% lower risk of dementia and better cognitive performance over time. The ...
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Mar. 16, 2026 Scientists at MIT have discovered that a little-known protein called intelectin-2 plays a powerful double role in defending the gut. The protein strengthens the mucus layer that lines the ...
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