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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 simple and sparse arrangement.
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of the tonsillar epithelium but a highly complicated network of canals with special types of epithelium and with various structures surrounding the canals, such as blood and lymphatic vessels and germinal centers.
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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
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Low-power microscope magnification of a cross-section through one of the tonsillar crypts (running diagonally) as it opens onto the surface of the throat (at the top). Stratified
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concentrate by the tonsillar crypts as well, in response to the microorganisms attracted to the crypts. Accordingly, the tonsillar crypts serve a forward sentry role for the
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from the crypts, and may irritate the throat (people with tonsil stones may complain of the feeling that something is stuck in their throat).
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greatly increase the contact surface between environmental influences and lymphoid tissue. In an average adult palatine tonsil the estimated
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402:"The Adenoids but Not the Palatine Tonsils Serve as a Reservoir for Bacteria Associated with Secretory Otitis Media in Small Children"
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tissue. Many lymph cells (dark-colored region) pass from the nodules toward the surface and will eventually mix with the
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that bacterial colonies may form solidified "plugs" or "stones" within the crypts. In particular, sufferers of chronic
37:(e) covers the throat's surface and continues as a lining of the crypt. Beneath the surface are numerous nodules (f) of
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Lingual tonsils in humans also have long crypts but, unlike the crypts in the palatine tonsils, they're unbranched.
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frequently suffer from these overgrowths of bacteria in the tonsillar crypts. These small whitish plugs, termed "
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surface area of the crypts is 295 cm, in addition to the 45 cm of epithelium covering the
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However, the tonsillar crypts often provide such an inviting environment to
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Fagö-Olsen H, Dines LM, Sørensen CH, Jensen A (12 February 2019).
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The small folds in adenoids are sometimes described as crypts.
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150:that extends into deep and partly branched
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177:The crypt system is not merely a group of
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327:Learn how and when to remove this message
154:, of which there are about 10 to 30. The
354:(2nd ed.). CRC Press. p. 404.
351:Surgical Pathology of the Head and Neck
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265:adding citations to reliable sources
16:Deep indentations in human tonsils
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759:Lymphatics of the head and neck
589:Periarteriolar lymphoid sheaths
252:needs additional citations for
148:stratified squamous epithelium
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45:as salivary corpuscles (s).
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654:Waldeyer's tonsillar ring
418:10.1128/mSystems.00169-18
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682:High endothelial venules
503:Hematopoietic stem cell
126:Anatomical terminology
521:Hassall's corpuscles
261:improve this article
146:(PT) are covered by
604:Trabecular arteries
67:cryptae tonsillares
276:"Tonsillar crypts"
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259:Please help
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91:A05.3.01.008
87:A13.2.02.003
83:A13.2.02.002
79:A05.2.01.015
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699:Mantle zone
664:Lymph nodes
495:Bone marrow
186:Macrophages
56:Identifiers
753:Categories
639:Pharyngeal
584:White pulp
560:Trabeculae
386:2023-01-17
375:Shahid S.
317:March 2013
287:newspapers
233:References
217:bad breath
188:and other
160:epithelial
142:The human
35:epithelium
377:"Tonsils"
205:sinusitis
166:surface.
629:Palatine
567:Red pulp
436:30801022
406:mSystems
201:bacteria
39:lymphoid
689:B cells
677:T cells
634:Lingual
621:Tonsils
427:6372837
381:Ken Hub
301:scholar
51:Details
764:Tonsil
551:Parts
544:Spleen
513:Thymus
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171:lumina
156:crypts
43:saliva
644:Tubal
555:Hilum
412:(1).
308:JSTOR
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62:Latin
724:GALT
716:MALT
432:PMID
356:ISBN
280:news
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114:FMA
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