Accessory arteries supplying the human transverse colon. 1990

M Koizumi, and M Horiguchi
Department of Anatomy, Iwate Medical University School of Medicine, Morioka, Japan.

An accessory colic artery which arose from the superior mesenteric artery more proximally than the first jejunal artery and met the marginal artery at the splenic flexure was observed in 32 of 65 subjects (49.2%). Considering its constant morphological features, this accessory colic artery was given the new nomenclature 'superior left colic artery (arteria colica sinistra superior; CSS)'. The unusual middle colic artery arising from the celiac trunk was supposed to be caused by the anastomosis between the dorsal pancreatic artery from the CSS and that from the celiac trunk. An additional epiploic branch derived from the pancreatic branch (posterior epiploic branch) also sent an accessory colic artery in 2 subjects. But judging from its origin and area of distribution which overlaps with that of the middle colic artery, this accessory colic artery is not equivalent to CSS.

UI MeSH Term Description Entries
D009626 Terminology as Topic Works about the terms, expressions, designations, or symbols used in a particular science, discipline, or specialized subject area. Etymology,Nomenclature as Topic,Etymologies
D010179 Pancreas A nodular organ in the ABDOMEN that contains a mixture of ENDOCRINE GLANDS and EXOCRINE GLANDS. The small endocrine portion consists of the ISLETS OF LANGERHANS secreting a number of hormones into the blood stream. The large exocrine portion (EXOCRINE PANCREAS) is a compound acinar gland that secretes several digestive enzymes into the pancreatic ductal system that empties into the DUODENUM.
D003106 Colon The segment of LARGE INTESTINE between the CECUM and the RECTUM. It includes the ASCENDING COLON; the TRANSVERSE COLON; the DESCENDING COLON; and the SIGMOID COLON. Appendix Epiploica,Taenia Coli,Omental Appendices,Omental Appendix,Appendices, Omental,Appendix, Omental
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001158 Arteries The vessels carrying blood away from the heart. Artery
D013157 Splenic Artery The largest branch of the celiac trunk with distribution to the spleen, pancreas, stomach and greater omentum. Arteries, Splenic,Artery, Splenic,Splenic Arteries

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