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Types of Tonsils

Lingual
Lingual

Lingual tonsils are covered externally by stratified squamous nonkeratinized epithelium. The epithelium invaginates inward to form a single crypt. Beneath the epithelium is a layer of lymphoid nodules containing lymphocytes.

Palatine
Palatine

Palatine tonsils, commonly called the tonsils and occasionally called the faucial tonsils, are tonsils located on the left and right sides at the back of the throat, which can often be seen as flesh-colored, pinkish lumps.

Pharyngeal
Pharyngeal

Much like the tonsils (palatine tonsils), the adenoids are made up of folded lymphatic tissue, lined with epithelial cells, house mucosal glands, and are covered in cilia and mucus. One single such fold is termed an adenoid.

source: innerbody.com
Tonsillar Crypts
Tonsillar Crypts

While tonsillar crypts are normal, cryptic tonsils look like white beads on your tonsils or patches of pus. Because of this, the condition looks similar to strep throat or another throat infection. Fortunately, cryptic tonsils alone are not generally harmful to your health.

Tubal
Tubal

1. a small mass of lymphoid tissue, especially that found in close association with the mucous membrane of the throat; generally used alone to designate the palatine tonsil. Other structures referred to as tonsils are the cecal, lingual, esophageal, paraepiglottic, pharyngeal and tubal lymphoid aggregations.

Waldeyer's Tonsillar Ring
Waldeyer's Tonsillar Ring

Waldeyer's tonsillar ring (pharyngeal lymphoid ring or Waldeyer's lymphatic ring) is a ringed arrangement of lymphoid tissue in the pharynx. Waldeyer's ring surrounds the naso-and oropharynx, with some of its tonsillar tissue located above and some below the soft palate (and to the back of the mouth cavity).