File:Intestine villi crypts cartoon.jpg: Difference between revisions
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(==Intestine Histology== {{Intestine Histology}} {{Blue Histology}}) |
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==Intestine Histology== | ==Intestine Histology Cartoon== | ||
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! Intestinal Villi | |||
! Intestinal Crypts (crypts of Lieberkühn) | |||
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* cover entire intestinal mucosa | |||
* about one mm long | |||
* increase the surface area by a factor of ~ ten. | |||
* villi surface formed by a simple columnar epithelium. | |||
* each absorptive cell or '''enterocyte''' of the epithelium forms numerous microvilli | |||
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* openings of simple tubular glands | |||
* extend through the lamina propria down to the muscularis mucosae | |||
* undifferentiated cells close to the bottom of the crypts regenerate/replace the epithelium | |||
** epithelial cell turnover time is less than one week | |||
* other epithelial cells in the crypts correspond largely to those in the epithelium of the intestinal villi | |||
* '''Paneth cells''' are located at the bottom of the crypts | |||
** release a number of antibacterial substances (including lysozyme) | |||
** thought to be involved in the control of infections | |||
|} | |||
{{Intestine Histology}} | {{Intestine Histology}} | ||
{{Blue Histology}} | {{Blue Histology}} | ||
[[Category:Intestine]] |
Latest revision as of 13:05, 21 July 2019
Intestine Histology Cartoon
Intestinal Villi | Intestinal Crypts (crypts of Lieberkühn) |
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- Intestine Histology Links: Duodenum overview | Duodenum villi and crypts | Duodenum | Jejunum overview | Jejunum villus | Jejunum labeled | Jejunum unlabeled | Gastrointestinal Tract Histology | Intestine Development
Links: Histology | Histology Stains | Blue Histology images copyright Lutz Slomianka 1998-2009. The literary and artistic works on the original Blue Histology website may be reproduced, adapted, published and distributed for non-commercial purposes. See also the page Histology Stains.
Cite this page: Hill, M.A. (2024, June 20) Embryology Intestine villi crypts cartoon.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Intestine_villi_crypts_cartoon.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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