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Abstract

The current investigation was carried out on 10 guinea pigs and 10 white rats, 5 males and 5 females of each, weighing 420 g for guinea pigs and 280 g for white rats on average. All the animals used were already submitted to euthanasia. The radiographic technique using red lead oxide and filling the arterial system with 60% gum milk latex colored red with Rotring® ink was applied. The animals used revealed an obvious variability in the celiac artery origin, distribution, course and number of branching pattern. Our study aimed to help in solving the surgical therapeutic techniques in abdominal cavity. This vasculature study in guinea pigs and white rats is very important for human researcher to help them to apply different experimental techniques of ischemia and the organ transplantations. The guinea pig did not have separate celiac and cranial mesenteric arteries but these two vessels originated as a single trunk from the abdominal aorta which known as “celiacomesenteric trunk” in addition to the presence of a short common trunk for the splenic and left gastric arteries. While in rats, the celiac trunk was found to be separated from the cranial mesenteric artery and being clearly trifurcated with the absence of cystic artery.