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Gastroenterology Research and Practice
Volume 2016, Article ID 2632368, 11 pages
Research Article

Surgical Anatomy of the Gastrointestinal Tract and Its Vasculature in the Laboratory Rat

1Department of Anatomy, Histology and Physiology, University of Veterinary Medicine and Pharmacy in Kosice, Komenského 73, 041 81 Kosice, Slovakia
2Faculty of Veterinary Medicine, Eduardo Mondlane University, P.O. Box 254, 0001 Maputo, Mozambique
3Laboratory of Research Biomodels, Faculty of Medicine, Pavol Jozef Šafárik University in Kosice, Trieda SNP 1, 04011 Kosice, Slovakia

Received 13 March 2015; Revised 19 June 2015; Accepted 15 July 2015

Academic Editor: Ilja Tacheci

Copyright © 2016 Katarína Vdoviaková et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The aim of this study was to describe and illustrate the morphology of the stomach, liver, intestine, and their vasculature to support the planning of surgical therapeutic methods in abdominal cavity. On adult Wistar rats corrosion casts were prepared from the arterial system and Duracryl Dental and PUR SP were used as a casting medium and was performed macroscopic anatomical dissection of the stomach, liver, and intestine was performed. The rat stomach was a large, semilunar shaped sac with composite lining. On the stomach was very marked fundus, which formed a blind sac (saccus cecus). The rat liver was divided into six lobes, but without gall bladder. Intestine of the rat was simple, but cecum had a shape as a stomach. The following variations were observed in the origin of the cranial mesenteric artery. On the corrosion cast specimens we noticed the presence of the anastomosis between middle colic artery (a. colica media) and left colic artery (a. colica sinistra). We investigated the second anastomosis between middle colic artery and left colic artery. The results of this study reveal that the functional anatomical relationship between the rat stomach, liver and intestine is important for the development of surgical research in human and veterinary medicine.