| external sphincter muscle of anus | A fusiform ring of striated muscular fibres surrounding the anus, attached posteriorly to the coccyx and anteriorly to the central tendon of the perineum; it is subdivided, often indistinctly, into a subcutaneous part, a superficial part and a deep part for descriptive purposes. Synonym: musculus sphincter ani externus, external sphincter muscle of anus. (05 Mar 2000) |
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| external urethral sphincter | Origin, ramus of pubis; insertion, with fellow in median raphe behind and in front of urethra; action, constricts membranous urethra; nerve supply, pudendal. Synonym: musculus sphincter urethrae, external urethral sphincter, Guthrie's muscle, musculus compressor urethrae, musculus constrictor urethrae, musculus sphincter urethrae membranaceae, sphincter muscle of urethra, Wilson's muscle. (05 Mar 2000) |
| extrinsic sphincter | A sphincter provided by circular muscular fibres extraneous to the organ. (05 Mar 2000) |
| unicanalicular sphincter | A sphincter limited to one visceral canal or tube. (05 Mar 2000) |
| urinary sphincter, artificial | An artifical implanted device, usually in the form of an inflatable silicone cuff, inserted in or around the bladder neck in the surgical treatment of urinary incontinence caused by sphincter weakness. Often it is placed around the bulbous urethra in adult males. The artificial urinary sphincter is considered an alternative to urinary diversion. (12 Dec 1998) |
| first duodenal sphincter | The sphincter supposedly located at the level of the aboral extremity of the duodenal bulb. (05 Mar 2000) |
| functional sphincter | A section of a tubular structure that acts as if it has a band of circular muscle to constrict it, although no such specialised structure can be found on morphological examination. Synonym: functional sphincter, radiological sphincter. (05 Mar 2000) |
| lower oesophageal sphincter | <anatomy> A muscular sphincter located at the junction of the oesophagus and the stomach. On closure the lower oesophageal sphincter prevents the back wash (reflux) of stomach acid into the oesophagus where it may damage the mucosa. See: gastrooesophageal reflux disease. (16 Mar 1998) |
| sphincterotomy |
operation to cut the external sphincter of the bladder to aid urinary drainage.
출처: www.spinal.co.uk/about/default.asp
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| sphincter |
What Pharaohs are buried in
출처: www.realnurse.net/humour/dictionary.shtml
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| sphincter |
Ring-like muscle which opens and closes a body passageway. Two sphincters in the anus provide bowel control, bladder sphincter controls urine.
출처: www.ostomates.org/glossary.html
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| sphincter |
Circular muscle often found within tubular structures of the body. Relaxation or contraction of a sphincter allows controlled passage of material through the sphincter or vice versa. The sphincters of the urethra and anus work in much the same fashion.
출처: www.ucsf.edu/wcc/AboutBladderProbs_glossary.html
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| sphincter |
A small muscle that can open or block a passageway, such as the urethra or the rectum.
출처: calder.med.miami.edu/pointis/glossary.html
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