NEET PG DENTAL EXAM

Detailed explanation-1: -As the vagus nerve enters the abdominal cavity through the esophageal hiatus, it splits into an anterior trunk and a posterior trunk. The anterior trunk is mainly responsible for gastrointestinal parasympathetic innervation to the lesser curvature of the stomach, the pylorus, the biliary apparatus, and the gallbladder.

Detailed explanation-2: -Your left and right vagal nerves contain 75% of your parasympathetic nervous system’s nerve fibers. These fibers send information between your brain, heart and digestive system. The vagus nerves are the 10th of 12 cranial nerves. The vagus is known as cranial nerve X, the Roman numeral for 10.