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<p><b>New page</b></p><div>[[File:Gray907-B.png_|thumb|Gray907-B.png]] '''Tubal tonsil'''<br />
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The '''tubal tonsil''' is a part of the [[Waldeyer's ring]], which is a ring of lymphoid tissue located in the pharynx. The tubal tonsil is situated near the opening of the [[Eustachian tube]] in the [[nasopharynx]]. It plays a role in the immune response by helping to protect the body from pathogens that enter through the nasal and oral cavities.<br />
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==Anatomy==<br />
The tubal tonsil is located in the lateral wall of the nasopharynx, adjacent to the pharyngeal opening of the Eustachian tube. It is composed of lymphoid tissue, similar to other tonsils in the Waldeyer's ring, such as the [[palatine tonsils]], [[pharyngeal tonsil]] (also known as the adenoids), and the [[lingual tonsil]].<br />
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==Function==<br />
The primary function of the tubal tonsil is to participate in the immune response. It contains [[lymphocytes]] and other immune cells that help to detect and respond to pathogens. When pathogens are detected, the tubal tonsil can initiate an immune response to help prevent infection.<br />
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==Clinical Significance==<br />
Inflammation or infection of the tubal tonsil can contribute to conditions such as [[otitis media]] and [[eustachian tube dysfunction]]. In some cases, chronic inflammation of the tubal tonsil may require medical intervention.<br />
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==Related Structures==<br />
* [[Waldeyer's ring]]<br />
* [[Palatine tonsils]]<br />
* [[Pharyngeal tonsil]]<br />
* [[Lingual tonsil]]<br />
* [[Eustachian tube]]<br />
* [[Nasopharynx]]<br />
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==See Also==<br />
* [[Tonsillitis]]<br />
* [[Adenoidectomy]]<br />
* [[Tonsillectomy]]<br />
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==References==<br />
{{Reflist}}<br />
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==External Links==<br />
{{Commons category|Tonsils}}<br />
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[[Category:Immune system]]<br />
[[Category:Lymphatic system]]<br />
[[Category:Otorhinolaryngology]]<br />
[[Category:Head and neck]]<br />
[[Category:Anatomy]]<br />
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