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Mainly the urinary sphincters prevent the backflow of urine backwards into the bladder and the kidneys. Sphincters allow one-way flow and to prevent leakage (or in other words, prevent accidental urine loss).

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13y ago

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What is a sphincter structures?

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.


What regulates the exit of partlially digested food?

The duodenum has a sphincter that controls the opening of the stomach to dump partially digested food into the small intestines. This sphincter can be weakened by stomach ulcers. After the duodenum, food stuffs continues through the small intestines where most digestion takes place.


What muscle is circular and located at the entrance and exit of the stomach?

The circular ring of muscle located at the entrance and exit of the stomach is referred to as a "sphincter" - the one at the entrance to the stomach is referred to as the cardiac sphincter, and the one at the exit of the stomach to the small intestines is referred to as the pyloric sphincter.


What is the function of a rat's sphincter?

A rat's sphincter is a muscular ring that helps control the entry and exit of substances from its digestive system. It regulates the passage of food and waste materials through the digestive tract.


What is the general name for the muscles that control the exit of the bladder?

sphincter


What lens function controls the amount of light that will exit the lens and expose the sensor?

SHUTTER in Camera controls the amount and time of light that the Sensor will exposed to.


Does a frog have a pyloric sphincter?

Yes, The pyloric sphincter valve regulates the exit of digested food from the stomach to the small intestine.


Function of urethral opening?

The urethral opening is where urine is expelled from the body. It serves as the exit point for urine from the urinary bladder to the external environment.


What is a circular muscle located at the entrance and exits of the stomach?

The circular ring of muscle located at the entrance and exit of the stomach is referred to as a "sphincter" - the one at the entrance to the stomach is referred to as the cardiac sphincter, and the one at the exit of the stomach to the small intestines is referred to as the pyloric sphincter.


Can urine damage sperm?

How would you get the two mixed?? Just because they use the same exit from the body ie the urethra, they are produced and stored in separate parts of the body and during sex the sphincter at the exit of the bladder is tightly closed.... this is why it is so difficult to pee if you have an erection


What does the pryloric sphincter valve do?

The pyloric sphincter valve is a ring of muscle at the exit of the stomach that controls the flow of partially digested food (chyme) into the small intestine. It functions by regulating the passage of chyme from the stomach in small amounts to aid in digestion and prevent the small intestine from being overwhelmed.


What regulates the exit of partially digested food from the stomach?

The pyloric sphincter valve.