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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. Lingual tonsils - Wikipedia

    en.wikipedia.org/wiki/Lingual_tonsils

    These tonsils contain B and T lymphocytes which get activated when harmful bacteria and viruses come in contact with tonsils. B lymphocytes kill pathogens by producing antibodies against them, while T lymphocytes directly kill them releasing cytotoxic substances or indirectly by stimulating other cells of the immune system. [2] [3] [4]

  4. 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.

  5. 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]

  6. Tonsillar crypts - Wikipedia

    en.wikipedia.org/wiki/Tonsillar_crypts

    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 ...

  7. Gastrointestinal tract - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_tract

    The gastrointestinal tract (GI tract, digestive tract, alimentary canal) is the tract or passageway of the digestive system that leads from the mouth to the anus. The GI tract contains all the major organs of the digestive system, in humans and other animals, including the esophagus , stomach , and intestines .

  8. Woman’s Tonsils Grow Back 40 Years After Removal ... - AOL

    www.aol.com/lifestyle/woman-tonsils-grow-back-40...

    Additionally, tonsils may have a greater chance of growing back after removal if the procedure was performed before the tonsils have stopped growing, which typically occurs around 8 years old.

  9. Human digestive system - Wikipedia

    en.wikipedia.org/wiki/Human_digestive_system

    The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder). Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body.