Hepatic branches of anterior vagal trunk

Hepatic Branches of Anterior Vagal Trunk

The Hepatic Branches of Anterior Vagal Trunk are a group of nerves that originate from the anterior vagal trunk, a branch of the vagus nerve. These branches play a crucial role in the innervation of the liver, contributing to its various functions and overall health.

Anatomy

The anterior vagal trunk is formed from the anterior division of the left vagus and a part of the right vagus nerve. It gives off several hepatic branches that supply the liver. These branches penetrate the liver at the porta hepatis, a deep fissure on the liver's inferior surface where vessels, nerves, and ducts enter or exit the organ.

Function

The hepatic branches of the anterior vagal trunk are part of the parasympathetic nervous system. They contribute to the regulation of various liver functions, including bile production and secretion, glucose metabolism, and blood flow regulation within the liver.

Clinical Significance

Understanding the anatomy and function of the hepatic branches of the anterior vagal trunk is essential in various medical procedures and conditions. For instance, damage to these nerves during liver surgery can lead to postoperative complications. Moreover, abnormal nerve signals may contribute to liver diseases such as cirrhosis and hepatitis.

See Also

• Vagus nerve
• Liver
• Parasympathetic nervous system