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a ring of muscle that controls the release of an organs products.

EXAMPLE:

Pyloric Sphincter controls release of chyme.

Cardiac Sphincter controls deposition of food into the stomach from the esophagus.

External Urethral Sphincter controls release of urine.

External Anal Sphincter controls release of defecation.

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13y ago
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8y ago

A sphincter is a ring of muscle which surrounds an opening of the body, which constricts and relaxes as required for usual bodily functioning.

There are various types of bodily sphincter, such as the pupillary sphincter of the eye, the oesophageal sphincter, the urethral sphincter, and two anal sphincters.

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12y ago

Because they control the entrance and exit of the stomach

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14y ago

A sphincter is a ring-shaped muscle that contracts a bodily opening such as the anus or the pupil.

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11y ago

A sphincter is a muscle that is formed in a circle and controls an opening, e.g., the lips and the anus. There are numerous sphincters within the body.

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8y ago

An anal sphincter is a ringed muscle which surrounds the anus.

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Related questions

What two structures in the gastrointestinal tract are connected by the pyloric sphincter?

Stomach and Duodenum


What is the medical term meaning circular muscle found in tubular structures that regulates the passage of substance?

The medical term for circular muscle found in tubular structures that regulates the passage of substances is "sphincter." Sphincters act as valves to control the flow of fluids or materials through tubular structures in the body.


What is the sequence of structures in the small intestine?

from the pyloric sphincter in the epigastric in the epigastric region to the ileocecal valve (sphincter) in the right iliac region where it joins the large intestine.


The voluntary sphincter is the -----sphincter?

outer anal sphincter


Sphincter found between the esophagus and the stomach?

What is the function of the cardiac sphincter?


What is another name for the esophageal sphincter?

cricopharyngeal sphincter


What is the sphincter muscle that connects the stomach to the small intestine?

ileocecal sphincter (valve)


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 is a sphincter in the digestive system?

The pyloric sphincter regulates passage of chymefrom the stomach


What sphincter is associated with the pancreas?

Sphincter of Oddi.


What sphincter is involved in Acid reflux disease?

cardiac sphincter/lower esophageal sphincter (LES)


Do puppies have this sphincter?

Not that sphincter but yes they do have one of their own.