The proper hepatic artery is also called the hepatic artery proper. It comes from the common hepatic artery and then runs beside the portal vein and the common bile duct; together, these make up the portal triad. The proper hepatic artery branches off into a small supraduodenal artery down to the duodenal bulb. At that point, the right gastric artery branches away from the proper hepatic artery, and Continue Scrolling To Read More Below...