Sphincter
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| Sphincter | |
|---|---|
| Term | Sphincter |
| Short definition | sphincter - (pronounced) (SFINK-ter) A ring-shaped muscle that relaxes or contracts to open or close a passage or opening in the body. Examples are the anal sphincter (around the opening of the anus) and the pyloric sphincter (at the lower opening of the stomach) |
| Type | Cancer terms |
| Specialty | Oncology |
| Language | English |
| Source | NCI |
| Comments | |
sphincter - (pronounced) (SFINK-ter) A ring-shaped muscle that relaxes or contracts to open or close a passage or opening in the body. Examples are the anal sphincter (around the opening of the anus) and the pyloric sphincter (at the lower opening of the stomach)
External links
- Medical encyclopedia article on Sphincter
- Wikipedia's article - Sphincter
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