| sphincter |
A ring-like band of muscle that constricts a passage or closes an opening, eg, the anal sphincter constricts to close the anus and relaxes when the animal is passing stool. The urethral sphincter closes the urinary bladder.
출처: www.peteducation.com/dict_alpha_listing.cfm
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| sphincterotomy |
The cutting of the bladder sphincter muscle to eliminate spasticity and related voiding problems.
출처: members.tripod.com/~cripkorner/glossary.html
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| sphincter |
A ring-shaped muscle that allows an opening to close tightly, such as the sphincter muscle in the lower end of a cow's teat.
출처: www.epa.gov/agriculture/ag101/dairyglossary.html
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| sphincter |
(SFINGK-tur). A circular band of muscle that opens and closes to allow food or waste to pass.
출처: www.cnn.com/HEALTH/library/DG/00022.html
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| sphincter |
A valve found in, or at the end of, some tubes of the body. They contain a ring of muscle that can open or close the valve, and therefore control the flow of materials along the tube.
출처: www.spinalnet.co.uk/EEndCom/GBCON/homepage.nsf/0/C...
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