Noun Adenoids Definition and Examples






plural noun

A mass of enlarged lymphatic tissue between the back of the nose and the throat, often hindering speaking and breathing in young children.
  1. 'Tonsils and adenoids are composed of tissue similar to the lymph nodes or ‘glands’ found in the neck, groin and other places in the body.'
  2. 'If the adenoids are unusually enlarged, and blocking the Eustachian tubes, they may also have to be removed.'
  3. 'Close to the front opening of the Eustachian tubes are masses of tissue called adenoids.'
  4. 'The adenoids, which are gland-like structures located in the back of the upper throat near the eustachian tubes, are large in children and can interfere with the opening of the Eustachian tubes.'
  5. 'As it turned out, I had really bad adenoids and near-constant tonsil infections - when the tonsils came out around age 7, my appetite revved up somewhat.'
  6. 'Enlarged adenoids can also be caused by repeated chest infections or allergies, but in other cases the cause is unknown.'
  7. 'The tissue that makes up the adenoids is called ‘lymphoid tissue’, which means that it contains white blood cells of the immune system.'
  8. 'Removal of the adenoids and tonsils may help if they are blocking the entrance to the Eustachian tube.'
  9. 'The doctor will also check the size of the adenoids to see if they are unusually enlarged and blocking the Eustachian tube.'


1. Usually, adenoids. an enlarged mass of lymphoid tissue in the upper pharynx, often obstructing breathing through the nasal passages. adjective

2. of or relating to the lymph glands.

3. of or relating to the adenoids.



Late 19th century: adenoid from Greek adēn ‘gland’ + -oid.

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