Sphincter
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| Sphincter | |
|---|---|
| Term | Sphincter |
| Short definition | a ring of muscle fibers located around a naturally occurring passage or opening in the body that opens and closes to regulate passage of substances |
| Type | Medical term |
| Specialty | General |
| Language | English |
| Source | AMA |
| Comments | |
Sphincter (definition) a ring of muscle fibers located around a naturally occurring passage or opening in the body that opens and closes to regulate passage of substances
==Sphincter (overview)==