What are the Name of alimentary canals sphinter?

The alimentary canal features several sphincters that regulate the passage of food and waste. Key sphincters include the upper esophageal sphincter, which controls the entry of food into the esophagus; the lower esophageal (cardiac) sphincter, which prevents acid reflux from the stomach; the pyloric sphincter, regulating the exit of chyme from the stomach to the small intestine; and the anal sphincters, which control the expulsion of feces. These sphincters play crucial roles in digestion and maintaining the integrity of the digestive tract.