(anatomy) An aggregation of lymphoid tissue composed of 35-100 separate tonsillar units occupying the posterior part of the tongue surface.
Lingual tonsils
| Sci-Tech Dictionary: lingual tonsil |
(′liŋ·gwəl ′tän·səl)
| 5min Related Video: Lingual tonsils |
| Dental Dictionary: lingual tonsil |
n
A small nodule of lymphoid tissue that can be found just behind the circumvallate papillae at the base of the tongue.
| Medical Dictionary: lingual tonsil |
| Wikipedia: Lingual tonsils |
| Lingual tonsils | |
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| Tongue | |
| Latin | tonsilla lingualis |
| Gray's | subject #243 1138 |
The lingual tonsils are rounded masses of lymphatic tissue that cover the posterior region of the tongue.
They are on the dorsal surface at the base of the tongue. Their Lymphatic tissue are dense and nodular, their surface is covered with stratified squamous epithelium which invaginates as a single crypt into each lingual tonsil. They are partially surrounded by connective tissue placing them in the group of Partially-Encapsulated Lymphatic Organs,Tonsils, the only one of its kind. They have associated mucous glands which are drained by ducts directly into the single tonsillar crypt.
Additional images
 Lingual tonsils not labeled, but would be at very back of tongue. |
 Lymphatics of the tongue. |
External links
- Lingual+tonsil at eMedicine Dictionary
- Pictures at usc.edu
- Anatomy Atlases - Microscopic Anatomy, plate 09.163
- Histology at BU 09802loa
- MedEd at Loyola histo/HistoImages/hl6-27.jpg (labeled as 'lymphoid tissue')]
- Diagram at healthopedia.com
- Diagram at enotes.com
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.
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 | Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved. Read more |
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| Dental Dictionary. Mosby's Dental Dictionary. Copyright © 2004 by Elsevier, Inc. All rights reserved. Read more |
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| Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Read more |
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| Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Lingual tonsils". Read more |
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