| sphincter |
A circular muscle constricting an opening. Sphincter muscles control bowel and bladder evacuation.
출처: www.azspinabifida.org/gloss.html
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| sphincter |
a ring of muscle that opens and closes (eg, the anus).
출처: www.shortbowel.com/glossary/s.asp
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| sphincteroplasty |
also called rectal sphincter repair, it is a surgical procedure used to correct a defect in the anal sphincter muscles.
출처: www.shortbowel.com/glossary/s.asp
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| sphincter |
Muscular structure that surrounds the urethra and allows the bladder to store or empty urine. This muscle is circular and acts like a valve, can relax or tighten to open or close the outlet of the bladder. The urethra has an internal and external sphincter. Internal sphincter is the portion of the urethra found at the bladder neck that keeps the urethra closed when a person is at rest. External sphincter is the portion of the urethra that is under a person's own control (voluntary control). ...
출처: www.seekwellness.com/incontinence/glossary_of_inco...
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| sphincter |
A circular band of muscle fibers that tightens or closes a natural opening of the body, such as the external anal sphincter, which closes the anus, and the internal and external urinary sphincters, which close the urinary canal.
출처: www.nationalmssociety.org/S%20-%20Z.asp
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