IMMUNOLOGY

Detailed explanation-1: -adenoids, also called pharyngeal tonsils, a mass of lymphatic tissue, similar to the (palatine) tonsils, that is attached to the back wall of the nasal pharynx (i.e., the upper part of the throat opening into the nasal cavity proper). An individual fold of such nasopharyngeal lymphatic tissue is called an adenoid.

Detailed explanation-2: -The adenoid is a clump of tissue located behind the nasal cavity above the roof of the mouth. Tonsils and adenoids fight infection and can become enlarged when they get infected. Enlarged tonsils and adenoids are also referred to as tonsillitis, adenoiditis, or tonsil and adenoid hypertrophy.

Detailed explanation-3: -The palatine tonsils are located in the sides of the oropharynx. The tubal tonsils are located in the wall of the nasopharynx near the entrance to each Eustachian tube.

Detailed explanation-4: -Three Pairs of Tonsils in the Throat The three pairs of tonsils are: Pharyngeal tonsils (adenoids), which reside behind your nose. Two palatine tonsils (what people are most commonly referring to when they use the word “tonsils"), which reside on both sides of the back of the throat.