Illustrated Encyclopedia of Human Anatomic Variation: Opus II: Cardiovascular System
Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD
Peer Review Status: Internally Peer Reviewed
a: The gastroduodenal artery (GD) is the main contributor to epicholedochal plexus. Later it ascends the cystic duct to unite with superficial cystic artery (SC). Anterior-superior pancreatocluodenal artery (ASP) supplies upper infraduodenal part of plexus. Marginal artery (A) from retrocluodenal artery.
b: Specimen lacks marginal anastomotic artery shown in a (A). Substitute contributions are made to epicholedochal plexus by branches from proper hepatic artery (H).
c: Specimen shows right hepatic artery (RH) of low origin functioning as a substitute for marginal anastomotic artery by providing direct branches to an epicholedochal plexus.
d: Low origin of cystic artery (C) from hepatic (H) enables it to supply branches to epicholedochal plexus as functional substitute for missing anastomotic loops.
e: Only specimen encountered in this investigation which shows proper epicholedochal artery (EA). Derived from retrocluodenal (RD), it supplies the common, cystic, and hepatic ducts.
f: One of two cases lacking true epicholedochal plexus. Small arteries from relatively distant paracholedochal vessels derived from retroduodenal (RD) supply common duct.
From Parke, W.W., Michels, N.A. and G.M. Ghash. Blood supply of the common bile duct. Surg. Gynecol. Obstet. 117:4755, 1963.
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