Rare case of the inferior mesenteric artery and the common hepatic artery arising from the superior mesenteric artery |
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Authors: | Osawa Tokuji Feng Xin-Yan Sasaki Nobuhide Nagato Satomi Matsumoto Yoko Onodera Masao Nara Eisuke Fujimura Akira Nozaka Yohichiro |
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Affiliation: | Department of Oral Anatomy I, Iwate Medical University School of Dentistry, Morioka, Iwate, Japan. tosawa@iwate-med.ac.jp |
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Abstract: | We found a case in which inferior mesenteric artery and the common hepatic artery arose from the superior mesenteric artery, forming the common hepatomesenteric trunk, during a routine dissection carried out at Iwate Medical University in 2002. This variation is rare, but can be embryonically explained. A change in the positions of the disappearance of the ventral splanchnic arteries and the longitudinal anastomotic channel results in variations in the system of arteries distributed to the digestive organs. In the present case, the longitudinal anastomotic channel between the superior and the inferior mesenteric arteries survived to form the common mesenteric artery, which was joined by the common hepatic artery, forming the common hepatomesenteric trunk. |
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Keywords: | variation coeliac trunk ventral splanchnic artery common hepatomesenteric trunk |
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