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The palatine tonsils are located in the isthmus of the fauces, between the palatoglossal arch and the palatopharyngeal arch of the soft palate.. The palatine tonsil is one of the mucosa-associated lymphoid tissues (MALT), located at the entrance to the upper respiratory and gastrointestinal tracts to protect the body from the entry of exogenous material through mucosal sites.
The crypts extend through the full thickness of the tonsil reaching almost to its hemicapsule. In healthy tonsils the openings of the crypts are fissure-like, and the walls of the lumina are in apposition. A computerized three-dimensional reconstruction of the palatine tonsil crypt system showed that in the centre of the palatine tonsil are ...
Tonsil stones can become dislodged on their own while eating, drinking, gargling, and coughing. Additionally, an exhalation technique that vigorously shakes the tonsils may be performed to dislodge them. This involves loudly producing a voiceless velar fricative sound, at various pitches to shake both the palatine and lingual tonsils.
Between these two arches on the lateral walls of the oropharynx is the tonsillar fossa which is the location of the palatine tonsil. [3] The arches are also known together as the palatine arches . Each arch runs downwards, laterally and forwards, from the soft palate to the side of the tongue.
The tonsils are a set of lymphoid organs facing into the aerodigestive tract, which is known as Waldeyer's tonsillar ring and consists of the adenoid tonsil (or pharyngeal tonsil), two tubal tonsils, two palatine tonsils, and the lingual tonsils. These organs play an important role in the immune system.
The tonsillar fossa (or tonsillar sinus) is a space delineated by the triangular fold (plica triangularis) of the palatoglossal and palatopharyngeal arches within the lateral wall of the oral cavity.
Adenoids and tonsils help prevent infection and are composed of lymph tissue. The larynx contains vocal cords, the epiglottis (preventing food/liquid inhalation), and an area known as the subglottic larynx, in children it is the narrowest section of the upper part of the throat.
The tonsils show single or multiple greyish-white ulcers, usually on only one of the palatine tonsils. The ulcers appear surrounded by reddened area and they bleed when touched or when the pseudo membrane is removed. [7] Ulceration may extend onto the soft palate. [7]