https://wikimd.com/index.php?action=history&feed=atom&title=Descending_colon 2026-04-24T03:09:33Z Revision history for this page on the wiki MediaWiki 1.44.2 https://wikimd.com/index.php?title=Descending_colon&diff=5809396&oldid=prev 2024-05-22T17:50:05Z

<p>CSV import</p> <p><b>New page</b></p><div>[[File:ColonDiscendente.png|thumb|ColonDiscendente.png]] {{Short description|Part of the large intestine}}<br /> {{Infobox anatomy<br /> | Name = Descending colon<br /> | Latin = colon descendens<br /> | Image = Gray1223.png<br /> | Caption = Front of abdomen, showing surface markings for liver, stomach, and large intestine<br /> | Precursor = [[Midgut]]<br /> | System = [[Digestive system]]<br /> | Artery = [[Left colic artery]]<br /> | Vein = [[Inferior mesenteric vein]]<br /> | Nerve = [[Inferior mesenteric plexus]]<br /> | Lymph = [[Inferior mesenteric lymph nodes]]<br /> | MeshName = Descending+Colon<br /> | MeshNumber = A03.556.124.526.209<br /> }}<br /> <br /> The &#039;&#039;&#039;descending colon&#039;&#039;&#039; is a part of the [[large intestine]]. It is located on the left side of the [[abdomen]], extending from the [[transverse colon]] to the [[sigmoid colon]]. The descending colon plays a crucial role in the [[digestive system]] by absorbing water and electrolytes from [[feces]].<br /> <br /> ==Anatomy==<br /> The descending colon is a continuation of the [[transverse colon]] and extends downward to the [[sigmoid colon]]. It is retroperitoneal, meaning it is located behind the [[peritoneum]]. The descending colon is approximately 25-30 cm in length.<br /> <br /> ==Blood Supply==<br /> The descending colon receives its blood supply from the [[left colic artery]], a branch of the [[inferior mesenteric artery]]. Venous drainage is through the [[inferior mesenteric vein]], which drains into the [[splenic vein]] and then into the [[portal vein]].<br /> <br /> ==Nerve Supply==<br /> The nerve supply to the descending colon is provided by the [[inferior mesenteric plexus]], which contains both sympathetic and parasympathetic fibers. The sympathetic fibers originate from the [[lumbar splanchnic nerves]], while the parasympathetic fibers come from the [[pelvic splanchnic nerves]].<br /> <br /> ==Lymphatic Drainage==<br /> Lymph from the descending colon drains into the [[inferior mesenteric lymph nodes]]. These nodes are located along the course of the [[inferior mesenteric artery]].<br /> <br /> ==Function==<br /> The primary function of the descending colon is to store the remains of digested food that will be emptied into the [[rectum]]. It also absorbs water and electrolytes, which helps to form solid [[stool]].<br /> <br /> ==Clinical Significance==<br /> Conditions that can affect the descending colon include [[diverticulitis]], [[colorectal cancer]], and [[inflammatory bowel disease]]. Symptoms of descending colon disorders may include [[abdominal pain]], [[constipation]], and [[diarrhea]].<br /> <br /> ==See Also==<br /> * [[Large intestine]]<br /> * [[Transverse colon]]<br /> * [[Sigmoid colon]]<br /> * [[Rectum]]<br /> * [[Digestive system]]<br /> <br /> [[Category:Digestive system]]<br /> [[Category:Anatomy]]<br /> [[Category:Gastroenterology]]<br /> <br /> {{Digestive system}}<br /> {{medicine-stub}}</div>

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