Definitions for "Lower esophageal sphincter"
Related Topic"A band of muscle around the bottom of the esophagus where it meets the stomach..."
muscle at the lower end of the esophagus just before the stomach which tightens up to close the esophagus and prohibit stomach acids from refluxing into the esophagus
a muscular valve found between the esophagus and the stomach, which opens and then closes to pass food and fluids into the stomach and then closes.