Adenoids -LRB- or pharyngeal tonsils , or nasopharyngeal tonsils -RRB- are a mass of lymphoid tissue situated at the very back of the nose , in the roof of the nasopharynx , where the nose blends into the mouth .

Adenoids -LRB- also called pharyngeal tonsils , or nasopharyngeal tonsils -RRB- are tissues at the very back of the nose , in the roof of the nasopharynx , where the nose blends into the mouth .
