Study of variations in the origin of superior mesenteric artery
Journal Title: MedPulse -International Medical Journal - Year 2017, Vol 4, Issue 4
Abstract
The best way to avoid injury to blood vessels is to know them and to know how, when and where to ligate them properly. Responsibility of teaching arterial variations lies with the anatomist. Anatomical variations of the Superior Mesenteric Artery (SMA) are not infrequent. The Superior Mesenteric Artery supplies the midgut. This is the portion of digestive tract extending from the second part of duodenum at the opening of the bile duct to the junction between the right two third and left one third of the transverse colon. SMA arises from the front of Abdominal Aorta (AA) about 1cm below the Coeliac Trunk (CT). In the present study we observed the source of origin, mode of origin, distance between CT&SMA and mode of termination of SM Ain 50 adult embalmed cadavers from the Institute of Anatomy, Madras Medical College. We found in all 50 specimens source of SMA was Abdominal Aorta, the SMA arise as a single trunk in all 50 specimens, distance between the Coeliac Trunk and SMA from Abdominal Aorta was found to be ranged from 3mm to 15mm with the mean of 7.72mm and terminates either with inferior division of ileocolic artery or with a branch from trunk of ileocolic artery.
Authors and Affiliations
Kanagavalli P, Anitha T, Sudhaseshayyan 3
Keywords
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