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sphincter
[ sfingk-ter ]
noun
- a circular band of voluntary or involuntary muscle that encircles an orifice of the body or one of its hollow organs.
sphincter
/ ˈɪŋə /
noun
- anatomy a ring of muscle surrounding the opening of a hollow organ or body and contracting to close it
sphincter
/ ĭԲ′ə /
- A ring-shaped muscle that encircles an opening or passage in the body. The opening and closing of the anus is controlled by contraction and relaxation of a sphincter, as is the opening that leads to the stomach from the esophagus.
Derived Forms
- ˈԳٱ, adjective
Other yvlog Forms
- Գt· Գ·ٱ·· [sfingk-, teer, -ee-, uh, l], Գ·ٱ· [sfingk-, ter, -ik], Գ·ٱ·ٱ [sfingk, -ter-it, -t, uh, -reyt], adjective
yvlog History and Origins
Origin of sphincter1
yvlog History and Origins
Origin of sphincter1
Example Sentences
Fassbender gave me palpitations just with his neutral delivery of the word “sphincter.”
The detrusor muscle of the bladder wall relaxes to allow the bladder to fill and empty, while the external sphincter opens when it's appropriate to allow urine to flow out, but otherwise keeps tightly shut.
Reduced pressure on the urinary sphincter is one of the many sensations dulled by living in microgravity, along with smell, taste and sight.
This can make your stomach produce more acid, and it can also relax the sphincter muscle between your stomach and esophagus, allowing stomach acid to back up into your esophagus.
Normally the swallowing tube ends with a tight sphincter that stays closed to protect delicate tissue from the harsh acid of the stomach.
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