Ascending colon
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2007-12-08T16:47:21Z
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{{Infobox Anatomy |
Name = {{PAGENAME}} |
Latin = colon ascendens |
GraySubject = 249 |
GrayPage = 1180 |
Image = Dickdarm-Schema.svg|
Caption = 1: Ascending colon<BR>2: [[Transverse colon]]<BR>3: [[Descending colon]]<BR>4: [[Sigmoid colon]]<BR>5: [[Rectum]]<BR>|
Image2 = Gray1223.png |
Caption2 = Front of abdomen, showing surface markings for liver, stomach, and great intestine. |
Precursor = [[Midgut]] |
System = |
Artery = [[Right colic artery]] |
Vein = [[Right colic vein]] |
Nerve = [[celiac ganglia]], [[vagus]] <ref>{{GeorgiaPhysiology|6/6ch2/s6ch2_30}}</ref> |
Lymph = |
MeshName = |
MeshNumber = |
DorlandsPre = c_47 |
DorlandsSuf = 12249866 |
}}
The '''ascending colon''' is smaller in caliber than the [[cecum]], with which it is continuous.
It passes upward, from its commencement at the cecum, opposite the [[colic valve]], to the under surface of the right lobe of the liver, on the right of the [[gall-bladder]], where it is lodged in a shallow depression, the [[colic impression]]; here it bends abruptly forward and to the left, forming the [[right colic flexure]] (hepatic).
It is retained in contact with the posterior wall of the abdomen by the peritoneum, which covers its anterior surface and sides, its posterior surface being connected by [[loose areolar tissue]] with the [[Iliacus]], [[Quadratus lumborum]], [[aponeurotic]] origin of [[Transversus abdominis]], and with the front of the lower and lateral part of the right kidney.
Sometimes the [[peritoneum]] completely invests it, and forms a distinct but narrow [[mesocolon]].
It is in relation, in front, with the convolutions of the [[ileum]] and the abdominal [[parietes]].
==See also==
* [[Colon (anatomy)]]
==References==
<references/>
==Additional images==
<gallery>
Image:illu_intestine.jpg|Intestines
Image:Gray1034.png|Front view of the thoracic and abdominal viscera.
Image:Gray1038.png|Horizontal disposition of the peritoneum in the lower part of the abdomen.
Image:Gray1056.png|The duodenum and pancreas.
Image:Gray1075.png|Interior of the cecum and lower end of ascending colon, showing colic valve.
Image:Gray1097.png|Transverse section through the middle of the first lumbar vertebra, showing the relations of the pancreas.
Image:Gray1124.png|The relations of the kidneys from behind.
Image:Kidneys from behind.jpg
Image:Digestive_system_diagram_en.svg|Digestive system
</gallery>
==External links==
* {{eMedicineDictionary|Ascending+colon}}
* {{SUNYAnatomyFigs|37|06|08}} - "The large intestine."
* {{NormanAnatomy|largeintestine}} ({{NormanAnatomyFig|cecuminside}})
{{Gray's}}
{{digestive-stub}}
{{Digestive tract}}
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