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The sphincter muscle that controls access to the stomach from the esophagus is called?
cardiac sphincter; or gastroesophageal sphincter; or lower esophageal sphincter (LES); or esophageal sphincter from http://en.wikipedia.org/wiki/Cardia
Ring like muscle that controls the flow from the stomach to the small intestine?
lower esophageal sphincter or gastroesophageal sphincter
Sphincter found between the esophagus and the stomach?
What is the function of the cardiac sphincter?
What sphincter that opens when food or fluids exert pressure on it?
The sphincter that opens when food or fluids exert pressure on it is the gastroesophageal sphincter. Closure of the sphincter is under the control of the vagus nerve.
Is cardioesophageal and gastroesophageal same thing?
No. Cardio- = heart Gastro- = stomach Esophageal = of or pertaining to the esophagus Edit- Yes. The Lower Esophageal Sphincter (LES) is also referred to as the Cardioesophageal Sphincter and the Gastroesophageal Sphincter. This sphincter separates the esophagus from the stomach and is usually in a closed position. When there is weakness in the sphincter gastric juices may go up into the esophagus resulting in heartburn.
What should gastroesophageal reflux surgery accomplish?
All gastroesophageal reflux surgery, including Nissen fundoplication, attempts to restore the normal function of the lower esophageal sphincter (LES).
What causes the gastroesophageal sphincter to open to allow food to enter the stomach?
the arrival of the peristaltic wave at the stomach
When the gastroesophageal sphincter contracts food?
When the gastroesophageal sphincter contracts, it closes off the esophagus from the stomach, preventing the backflow of gastric contents into the esophagus. This contraction allows food to pass into the stomach while protecting the esophagus from acidic gastric juices. Proper functioning of this sphincter is essential for digestion and preventing conditions like acid reflux. If it doesn't contract effectively, it can lead to discomfort and other digestive issues.
What is called Backflow (reflux) of gastric contents into esophagus due to malfunction of the lower esophageal sphincter?
This is known as gastroesophageal reflux (GER). It occurs when the lower esophageal sphincter relaxes inappropriately, allowing stomach contents to flow back into the esophagus. This can lead to symptoms like heartburn or regurgitation.
What causes the cardiac sphincter to malfunction?
The cardiac sphincter, also known as the lower esophageal sphincter, may malfunction due to various reasons such as hiatal hernia, obesity, smoking, certain medications, and certain foods that can relax the sphincter muscle. This dysfunction can lead to conditions like gastroesophageal reflux disease (GERD) and heartburn.
What happens if the cardiac sphincter relaxes?
If the cardiac sphincter relaxes, it allows stomach contents to reflux back into the esophagus, causing acid reflux or heartburn. This can lead to symptoms like chest pain, regurgitation, and a sour taste in the mouth. Chronic relaxation of the cardiac sphincter can contribute to gastroesophageal reflux disease (GERD).
What is the cardiac sphincter and where is it located?
The cardiac sphincter, also known as the lower esophageal sphincter (LES), is a ring of muscle located at the junction of the esophagus and the stomach. Its primary function is to prevent the backflow of stomach contents, including acid, into the esophagus. This sphincter relaxes to allow food to enter the stomach and constricts to keep stomach contents contained, helping to maintain proper digestive function. Dysfunction of the cardiac sphincter can lead to conditions such as gastroesophageal reflux disease (GERD).
