inferior mesenteric vein

(redirected from mesenteric veins)

in·fe·ri·or mes·en·ter·ic vein

[TA]
a continuation of the superior rectal vein at the brim of the pelvis, ascending retroperitoneally to the left of the aorta and emptying into the splenic vein or into the superior mesenteric vein or less commonly in the angle between these veins.
Synonym(s): vena mesenterica inferior [TA]

inferior mesenteric vein

The vein that accompanies the inferior mesenteric artery; it drains the rectum and the sigmoid and descending colon, and it empties into the splenic vein.
See also: vein
References in periodicals archive ?
It was observed following detorsion that cecum was located on the left upper quadrant; ascending colon was adherent to duodenum, which was descending straight down, with Ladd's bands; and mesenteric veins were enlarged and lying anterior to duodenum towards the portal vein.
Abdominal sonography revealed a vascular channel formed by the confluence of the splenic and superior mesenteric veins. This vessel coursed away from the gastro-hepatic ligament and opened into the infrahepatic inferior vena cava (IVC).
Outcome from traumatic injury of the portal and superior mesenteric veins. Vasc Endovasc Surg 2004; 38:249-255.
Owing to the presence of spine in eggs, they produce mechanical trauma of mesenteric veins (phlebitis), intestinal mucosa, lamina propria and intestinal submucosa leading to acute intestinal syndrome (visceral schistosomosis) characterised by inflammation and haemorrhage of these layers, exudation, infiltration of teaming numbers of eosinophils, lymphocytes, plasma cells and macrophages that may form pseudoabscesses or granulomatous lesions in chronic conditions (Bhatia et al., 2010; Islam et al., 2011).
Resection of portal or superior mesenteric veins to laparotomy in six.
It is characterized by thickening of the wall of the right hemi-colon and calcification of the corresponding mesenteric veins. Because the patient often had intermittent abdominal pain and bloody stools, this disease should be made differential diagnosis from Crohn's disease, ulcerative colitis, colorectal cancer, diverticulitis, ischemic bowel disease and amyloidosis, etc.
Morita et al., "Analysis of anatomic variants of mesenteric veins by 3-dimensional portography using multidetector-row computed tomography," The American Journal of Surgery, vol.
Since a tumor originating from the gastrojejunostomy site was detected in our case, it was concluded that venous drainage was obtained by jejunal mesenteric veins instead of gastric drainage routes, thus resulting in an isolated tumor thrombosis within the SMV.
CT of the abdomen revealed intramural gas in the bowel wall with accompanying free gas in the mesenteric veins and portal vein branches (Figure 1, 2).
Protein C deficiency results mainly in thrombosis of the pulmonary veins, deep veins of the extremities, and mesenteric veins [2].
Idiopathic myointimal hyperplasia of the mesenteric veins (IMHMV) is a poorly understood disease that poses a diagnostic challenge to clinicians and pathologists.
Portal vein system thrombosis (PVST) referred to thrombosis in the portal vein, splenic, and superior mesenteric veins or intrahepatic portal vein branches [4].