The "valve" between the stomach and the esophagus. When the LES does not stay closed after food has passed through, acid and stomach contents may reflux into the esophagus.
The valve that allows food into the stomach, but does not allow it back into the esophagus under normal conditions.
circular musculature separating the esophagus from the stomach; prevents reflux of stomach contents into the esophagus
The muscle lying at the end of the esophagus and opening of the stomach. This muscle is used to keep acid in the stomach and out of the esophagus. It relaxes normally secondary to neurologic input when the patient swallows. In its normal state the LES is contracted (closed).
muscle between the esophagus and stomach.
a muscle at the top portion of the stomach relaxes to allow food to pass from the esophagus to the stomach when we eat, and closes to keep food from moving back into the esophagus from the stomach.
the natural valve that keeps stomach contents in the stomach and out of the esophagus. When working properly, this important valve operates like a door, letting food into the stomach but not back up into the esophagus.
Muscle fibers near the junction of the esophagus and the stomach, which are designated to function as a one-way valve. Normally the LES relaxes with swallowing to allow food to pass from the esophagus to the stomach, but stays tight the rest of the time to prevent the backflow of stomach contents into the esophagus.
This is the valve or "door" between the esophagus and the stomach. When this valve or door is weak and does not always close it allows for both acid juices and food to come back up into the esophagus and/or the throat.
A band of muscle tissue that contracts during swallowing, preventing stomach contents from flowing back up into the esophagus.
Muscle that opens to let food pass into the stomach and closes to stop stomach juices from backing up into the esophagus.