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  2. Tonsil - Wikipedia

    en.wikipedia.org/wiki/Tonsil

    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.

  3. Palatine tonsil - Wikipedia

    en.wikipedia.org/wiki/Palatine_tonsil

    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.

  4. Adenoid - Wikipedia

    en.wikipedia.org/wiki/Adenoid

    In anatomy, the pharyngeal tonsil, also known as the nasopharyngeal tonsil or adenoid, is the superior-most of the tonsils. It is a mass of lymphoid tissue located behind the nasal cavity , in the roof and the posterior wall of the nasopharynx , [ 1 ] where the nose blends into the throat .

  5. Waldeyer's tonsillar ring - Wikipedia

    en.wikipedia.org/wiki/Waldeyer's_tonsillar_ring

    Waldeyer's tonsillar ring (pharyngeal lymphoid ring, Waldeyer's lymphatic ring, or tonsillar ring) is a ringed arrangement of lymphoid organs 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).

  6. Tonsillar crypts - Wikipedia

    en.wikipedia.org/wiki/Tonsillar_crypts

    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 tightly packed ramified crypts that join with each other, while on the periphery there is a rather ...

  7. What are tonsil stones? Here's why they may be the cause of ...

    www.aol.com/tonsil-stones-heres-why-may...

    The tonsils are located in the back of your throat. They are an important part of your immune system . The tonsils contain a plethora of white blood cells that help your body fight off infection ...

  8. Tubal tonsil - Wikipedia

    en.wikipedia.org/wiki/Tubal_tonsil

    Each tubal tonsil is located posterior to the opening of the Eustachian tube on the lateral wall of the nasopharynx. [1] It is one of the four main tonsil groups forming Waldeyer's tonsillar ring. [2] This ring also includes the palatine tonsils, the lingual tonsils, and the adenoid. [2]

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