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During peristalsis, the esophageal sphincter allows the food bolus to pass into the stomach. It prevents chyme, a mixture of bolus, stomach acid, and digestive enzymes, from returning up the esophagus. An overly loose esophageal sphincter leads to heart burn because the stomach acid "burns" the esophagus. An overly tight esophageal sphincter is known as achalasia and leads to pain on swallowing, regurgitation of food, and cheat pain.
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Where is the lower esophageal sphincter?
at the junction of the esophagus and stomachlower-esophageal-sphincter
Sphincter that opens when food or fluid exert pressure on it?
Pharyngeal-esophageal
What is the name of the sphincter that opens when food or fluids exert pressure on it?
Esophageal, duodenal, urethral, and anal would all seem to fit that description.
What is a ring of skeletal muscle that regulates the movement of a bolus into the esophagus?
The Upper Esophageal Sphincter is a ring of skeletal muscle that controls the movement of food from pharynx to esophagus.
What characteristics does an abnormal esophageal function test have?
there are many diseases that cause poor relaxation of the lower esophageal sphincter. When no cause is found, the disease is called achalasia. Abnormal results of pH tests can confirm symptoms.
Where is the lower esophageal sphincter?
at the junction of the esophagus and stomachlower-esophageal-sphincter
What sphincter must open to permit vomiting?
The lower esophageal sphincter must open to permit vomiting.
What is another name for the esophageal sphincter?
cricopharyngeal sphincter
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
What sphincter is involved in Acid reflux disease?
cardiac sphincter/lower esophageal sphincter (LES)
What sphincter that allows chyme to pass into the small intestine is known as the?
lower esophageal sphincter.
Which is not a sphincter duodenal esophageal pyloric or ileocecal?
duodenal
What is the name of the sphincter located between the esophagus and fundus of the stomach?
LES - Lower Esophageal Sphincter
What 4 sphincters are associated with the gi tract?
The four bodily sphincters are the: 1. lower esophageal sphincter, or cardiac sphincter (esophagus to the stomach)2. Pyloric sphincter (stomach to small intestines)3. Ileocecal sphincter or valve (small intestines to large intestines)4. Anal sphincter (rectum to outside)
Ring like muscle that controls the flow from the stomach to the small intestine?
lower esophageal sphincter or gastroesophageal sphincter
What muscle does the esophagus pass through to reach the stomach?
The lower esophageal sphincter muscle/the cardiac sphincter muscle.
What is a sentence with the word crater?
The crater was as big as her upper esophageal sphincter.
