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Q: What functions of the upper and lower esophageal sphincters?
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What are the names of the sphincters the stomach?

Sphincters are circumferential muscles that can relax or constrict to regulate the passage of material through a particular area. The stomach is bound by two sphincters in humans: the lower esophageal sphincter that keep stomach acid in the stomach and the pyloric sphincter that regulates the flow of food in the stomach into the duodenum.


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)


What muscle brings the food down to esophagus?

That would be the upper and lower esophogeal sphincters.


What two types of smooth muscle surrounds the esophagus?

The body of the esophagus is bounded by physiologic sphincters known as the upper and lower esophageal sphincters. The upper sphincter is composed largely of a muscle that is closely associated with the larynx. When relaxed, as it is during swallowing, this muscle pulls the larynx forward and aids in routing food into the esophagus instead of the larynx. The lower sphincter is simply the muscle that surrounds the esophagus just as it enters the stomach. Both the upper and lower sphincter are closed except during swallowing, which prevents constant entry of air from the oral cavity or reflux of stomach contents.


Is the upper or lower esophageal sphincter most responsible for acid reflux problems?

The lower sphincter is responsible for reflux problems


What muscle is located at the upper and lower end of our stomach?

Both the upper and lower ends of the stomach have a sphincter that regulates flow into and out of the stomach. The lower esophageal sphincter is at the top of the stomach, and the pyloric sphincter is at the lower end of the stomach.


What is the physiology of the esophagus?

The esophagus has two sets of sphincters at its upper and lower ends. Each of these muscular rings must contract in an exact sequence for swallowing to proceed normally.


What does the upper jaw do on a fish?

The upper jaw on fishes functions the same as the upper jaw in Humans . They just have different teeth. The upper jaw on most animals functions as a platform for the lower jaw to close against .


How does a giraffe vomit?

Great question! with such a high neck the forces of gravity seem to work against the poor animal! Fortunately the muscles of the esophagus are very strong- The esophagus is a long muscular tube connecting your mouth and your stomach. There are muscles at the top and bottom of the esophagus that control things coming and going, much like control valves-this is called peristalsis. These muscles are called the upper and lower esophageal sphincters. when we eat food-the stomach functions as a reservoir for holding the food-which it does with 2 very large muscles. When a person or animal throws up, the lower-esophageal sphincter opens so that as the stomach squeezes, there is nothing to keep the food in the stomach and so it comes back up the esophagus.


How does alcohol affect the esophasgus?

Alcohol causes irritation of the mucous membrane of the upper stomach and lower esophasgus this can cause tears in the lining, resulting in bleeding ulcerous also known as esophageal var-ices which in the wort case can be life threathing. the lower part can be torn from extreme vomiting known as esophageal rupture.


What is a sentence with the word crater?

The crater was as big as her upper esophageal sphincter.


What is the lower trunk of a pig called?

The lower trunk of a pig is called the posterior region. The trunk is divided into an upper, middle, and lower region due to its size and functions.