| spherical aberration |
The departure of a wavefront of foucused light from a spherical shape.
출처: home.earthlink.net/~dreyna14/glossary.htm
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| sphincter |
circular muscle at base of bladder neck and also around the anus, which controls opening of the bladder and bowel respectively.
출처: www.spinal.co.uk/about/default.asp
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| 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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