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Topic: Marginal artery of the colon

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ABDOMEN Note that anastomoses of these arteries, along with arteries from the inferior mesenteric, contribute to the marginal artery of Drummond. The inferior mesenteric artery supplies the left half of the transverse colon, the descending colon, the sigmoid colon and most of the rectum. Now find the hepatic artery, and trace it via the common hepatic artery to the celiac trunk (Netter 282, 283), which is a branch of the aorta. www.umanitoba.ca /faculties/medicine/anatomy/bmr/ABDOMEN.htm

American Joint Commission on Cancer Regional nodes are located (1) along the course of the major vessels supplying the colon and rectum, (2) along the vascular arcades of the marginal artery, and (3) adjacent to the colon – that is, located along the mesocolic border of the colon. Specifically, the regional lymph nodes are the pericolic and perirectal nodes and those found along the ileocolic, right colic, middle colic, left colic, inferior mesenteric artery, superior rectal (hemorrhoidal), and internal iliac arteries. This margin may reflect invasion either through the peritoneum covering the intraabdominal colon in which the lesion was adherent to an unresected structure or organ, or into retroperitoneal or infraperitoneal fat. www.peacefulpackers.com /informatics/ca_colon_v5.htm

Jejunal Atresia As a result, one of the three portions of the small intestine (the jejunal) twists around one of the arteries of the colon called the marginal artery and causes a blockage (atresia). As a result, a portion of the small intestine (the jejunal) twists about one of the arteries to the colon. This twisting may be so severe that the artery in question is completely blocked (atrasia). www.bchealthguide.org /kbase/nord/nord886.htm

Duodenum, Pancreas, Liver & Gallbladder - Dissector Answers Collateral circulation between the superior mesenteric and inferior mesenteric arterial territories occurs via the marginal artery, which is effectively a very large arterial arch that supplies the entire colon (not discussed in Moore). The body and tail of the pancreas are supplied mostly by branches of the splenic artery, namely the great, superior, caudal, and dorsal pancreatic arteries. Of course, if you have one of those 14% where the right hepatic artery comes from the SMA, you would expect the cystic artery to be a branch of that "funky" right hepatic artery (13%). anatomy.med.umich.edu /gastrointestinal_system/duodenum_ans.html

Lab Manual - Peritoneal Cavity & Intestines Strip away the posterior body wall peritoneum, exposing the vessels to the cecum, appendix and ascending colon: ileocolic artery (anterior cecal, appendicular, ileal, and colic branches), right colic artery (ascending and descending branches, anastomoses). Find the middle colic artery and its branches in the transverse mesocolon. Beginning at the root of the mesentery, use your fingers to strip the peritoneum from the right side of the mesentery. www.med.umich.edu /lrc/coursepages/M1/anatomy/html/abdomen/peritoneum.html

Superior Mesenteric Artery The ascending branches of the left colic artery forms anastomosis with the middle colic artery (a branch of the superior mesenteric artery) to form the marginal artery of Drummond. This artery is the second branch of the abdominal aorta.. The inferior mesenteric artery provides blood supply to the embryological hindgut organs including the distal transverse colon, descending colon and sigmoid colon. www.meddean.luc.edu /Lumen/meded/Radio/curriculum/GI/IMA.htm   (128 words)

Inferior mesenteric artery - Wikipedia, the free encyclopedia In human anatomy, the inferior mesenteric artery, often abbreviated as IMA, supplies the large intestine from the left colic (or splenic) flexure to the upper part of the rectum, which includes the descending colon, the sigmoid colon, and part of the rectum. The artery connecting the middle colic artery and left colic artery (not labeled) is known as the marginal artery. The IMA branches off the anterior surface of the abdominal aorta, approximately midway between the renal artery branch points and the abdominal aortic bifurcation (into the common iliac arteries). en.wikipedia.org /wiki/Inferior_mesenteric_artery   (553 words)

Chapter 8 - Section 3: First Principles of Gastroenterology The superior mesenteric and inferior mesenteric systems are joined by the arch of Riolan and the marginal artery of Drummond, vessels that connect the middle colic artery (a branch of the superior mesenteric artery) and the left colic artery (a branch of the inferior mesenteric artery). The celiac artery supplies blood to the foregut (stomach and duodenum), the superior mesenteric artery supplies blood to the midgut (duodenum to transverse colon), and the inferior mesenteric artery is responsible for blood to the hindgut (transverse colon to the rectum). The blood flow to the splanchnic organs is derived from three main arterial trunks: the celiac, the superior mesenteric artery and the inferior mesenteric artery. gastroresource.com /GITextbook/en/chapter8/8-3.htm   (1374 words)

Chapter 12: Colon and Rectum Regional nodes are located: (1) along the course of the major vessels supplying the colon and rectum; (2) along the vascular arcades of the marginal artery; and (3) adjacent to the colon; that is, located along the mesocolic border of the colon. The anatomic areas of the colon and rectum are: cecum (1); ascending colon (2); hepatic flexure (3); transverse colon (4); splenic fixture (5); descending colon (6); sigmoid (7); rectosigmoid (7.5); rectum (8); anal canal (9);. The transverse colon is connected to the descending colon by the splenic flexure which is located near the spleen and tail of the pancreas. ajcc.chat.ru /INFO12.htm   (2435 words)

Superior & Inferior Mesentery Arteries The middle, right, and ileocecal branches anastomose with each other to form a "marginal" artery along the inner border of the colon. The superior mesenteric artery arises from the anterior surface of the aorta, just inferior to the origin of the celiac trunk, and supplies the intestine from the duodenum and pancreas to the left colic flexure. The inferior mesenteric artery supplies the large intestine from the left colic (or splenic) flexure to the upper part of the rectum. mywebpages.comcast.net /wnor/sup&infmesentericart.htm   (2435 words)

eMedicine - Mesenteric Artery Thrombosis : Article by Deron J Tessier, MD The right and middle colic arteries are an important supply of blood to the marginal artery of Drummond and give rise to the terminal vasa recta, which provide blood to the colon. As previously mentioned, the splenic artery gives off the left gastroepiploic artery as well as the dorsal pancreatic artery, which supplies the body and tail of the pancreas and communicates with the anterosuperior pancreaticoduodenal and gastroduodenal arteries and sometimes the middle colic or SMA. During a period of low flow, the artery thromboses, and flow to the gut is compromised. www.emedicine.com /med/topic2727.htm   (2435 words)

Virtual Hospital: Illustrated Encyclopedia of Human Anatomic Variation: Opus II: Cardiovascular System: Arteries: Abdomen: Variations in Branches of Celiac Trunk: Superior Mesenteric Artery Koizumi and Horiguchi (1990) found an accessory colic artery which arose from the superior mesenteric artery more proximal than the first jejunal artery and met the marginal artery at the splenic flexure; it was reported found in 32 of 65 subjects (49.2%). Sonneland, J., Anson, B.J. and L.E. Beaton (1958) Surgical anatomy of the arterial supply of the colon from the superior mesenteric artery based upon a study of 600 specimens. The colic and intestinal branches of this artery may vary considerably in their origin and course, and in the number of primary and secondary loops they form. www.vh.org /adult/provider/anatomy/AnatomicVariants/Cardiovascular/Text/Arteries/MesentericSuperior.html   (2435 words)

Colo-rectal anastomosis This may occur when there has been previous surgery or when the marginal artery is inadequate or when, following mobilization of the splenic flexure, there is insufficient length of bowel. A variety of problems may compromise the safety of colo-rectal anastomosis when there is insufficient length of left colon available to provide well-vascularized bowel without tension. Under certain circumstances, such as previous left colon resection, it may not be possible to achieve this, even after full mobilization of the splenic flexure and distal transverse colon. ourworld.compuserve.com /homepages/L_Lindsey/4340016.htm   (570 words)

Jejunal Atresia As a result, one of the three portions of the small intestine (the jejunal) twists around one of the arteries of the colon called the marginal artery and causes a blockage (atresia). Patients with this disorder are born with a partial absence of the fold of the stomach membrane that connects the small intestine to the back wall of the abdomen. It is possible that the main title of the report Jejunal Atresia is not the name you expected. my.webmd.com /hw/raising_a_family/nord886.asp   (570 words)

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