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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 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 muscle brings the food down to esophagus?

That would be the upper and lower esophogeal sphincters.


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 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.


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 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.


Are the upper and lower water heater elements the same?

No, the upper and lower water heater elements are not the same. They serve different functions in heating the water in a water heater.


Which structure links the upper and lower centers of the brain?

The brainstem is the structure that links the upper and lower centers of the brain. It connects the cerebrum (upper brain) to the spinal cord (lower brain) and is responsible for basic life functions such as breathing, heartbeat, and blood pressure regulation.


What is the physiology of the esophagus?

The esophagus is a muscular tube that contracts in a wave-like motion to push food from the mouth to the stomach, a process called peristalsis. It has two types of muscle layers, circular and longitudinal, that work together to propel the food downward. The lower esophageal sphincter at the entrance to the stomach prevents the backflow of stomach contents into the esophagus.


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.