Adenoids are also called as
The nasopharyngeal tonsil, commonly called "adenoids". Adenoids are situated at the junction of the roof and posterior wall of the nasopharynx. Composed of veical ridges of lymphoid tissues. Covering epithelium is of 3 types - Ciliated pseudostratified columnar, stratified squamous and transitional. Have no crypts and any capsule, unlike palatine tonsil. (Ref: Diseases of Ear, Nose and Throat, PL Dhingra; 7th edition, pg no. 275)
Nasopharyngeal tonsils
Palatine tonsils
Faucial tonsils
Lingual tonsils
Pharynx