Transverse colon
| Transverse colon | |
|---|---|
Drawing of colon seen from front
(transverse colon coloured blue) |
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| Details | |
| Latin | Colon transversum |
| Precursor | Midgut (first 2/3) Hindgut (last 1/3) |
| Middle colic artery | |
| Middle colic vein | |
| Identifiers | |
| Dorlands /Elsevier |
c_47/14169300 |
| TA | Lua error in Module:Wikidata at line 744: attempt to index field 'wikibase' (a nil value). |
| TH | {{#property:P1694}} |
| TE | {{#property:P1693}} |
| FMA | {{#property:P1402}} |
| Anatomical terminology
[[[d:Lua error in Module:Wikidata at line 863: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]]
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The transverse colon is the longest and most movable part of the colon. It crosses the abdomen from the ascending colon at the hepatic or right colic flexure with a downward convexity to the descending colon where it curves sharply on itself beneath the lower end of the spleen forming the splenic or left colic flexure. In its course, it describes an arch, the concavity of which is directed backward and a little upward. Toward its splenic end there is often an abrupt U-shaped curve which may descend lower than the main curve.
It is almost completely invested by peritoneum, and is connected to the inferior border of the pancreas by a large and wide duplicature of that membrane, the transverse mesocolon.
It is in relation, by its upper surface, with the liver and gall-bladder, the greater curvature of the stomach, and the lower end of the spleen; by its under surface, with the small intestine; by its anterior surface, with the posterior layer of the greater omentum and the abdominal wall; its posterior surface is in relation from right to left with the descending portion of the duodenum, the head of the pancreas, and some of the convolutions of the jejunum and ileum.
The transverse colon absorbs water and salts.
Additional images
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1: Ascending colon
2: Transverse colon
3: Descending colon
4: Sigmoid colon
5: Rectum -
Intestines
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Schematic figure of the bursa omentalis, etc. Human embryo of eight weeks
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Front view of the thoracic and abdominal viscera
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Digestive system
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Transverse colon
See also
References
This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)
External links
- Anatomy figure: 37:06-03 at Human Anatomy Online, SUNY Downstate Medical Center - "The large intestine."
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