CONTRIBUTIONS OVER THE ANATOMY OF PRIMITIVE AORTA AND ITS MAIN BRANCHES IN SWINE

Published in Scientific Works. Series C. Veterinary Medicine, Vol. 19 ISSUE 4
Written by Flaviu TUNS, Alina IURCUT, Ioana CHIRILEAN, Alexandra BLENDEA, Aurel DAMIAN

Previous studies performed in human and swine regarding the segment of ascending aorta and aortic arch identified several differences that referred to the presence and number of aortic collaterals in this region. Other studies mention the intraspecific differences in humans that refer to the way in which the aortic branches and even to their number. Due to the numerous similitudes of the cardiovascular system between humans and swine, we choose this specie to study the intraspecific variations regarding the aortic branches. The objective of this paper was to realize a comprehensive study of the swine aorta, in its initial part, namely the aortic arch, to highlight its systematization and to describe its branches and their count. To highlight the potential particularities found in the initial part of aorta we initially dissected the arteries and then injected them with latex mixed with red pigment to obtain a better view of the blood vessels. The process of latex injection was made by two ways: through the left ventricle and through the abdominal aorta. Following injection, the biological material was fixed in 2% formalin for 48 hours. Through dissection we observed that aorta presents several specie peculiarities in swine. We did not find any intraspecific differences regarding the primitive aorta or aortic arch. The particularities that were found are characteristic to the specie and refer to the presence of an aortic bulb with a calibre similar to that of the aortic arch; the presence of sigmoid valves that were well developed; the absence of the ascending aorta in swine. We also found a left subclavian artery more developed then the one from the right side.

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Flaviu TUNS, Alina IURCUT, Ioana CHIRILEAN, Alexandra BLENDEA, Aurel DAMIAN 2013, CONTRIBUTIONS OVER THE ANATOMY OF PRIMITIVE AORTA AND ITS MAIN BRANCHES IN SWINE. Scientific Works. Series C. Veterinary Medicine, Vol. 19 ISSUE 4, PRINT ISSN 2065-1302, 44-50.

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