| sphincter |
a ring of muscle that contracts to close an opening
Ãâó: wordnet.princeton.edu/perl/webwn
|
|---|---|
| sphincter ani |
anal sphincter: the sphincter muscle of the anus
Ãâó: wordnet.princeton.edu/perl/webwn
|
| sphincter muscle |
sphincter: a ring of muscle that contracts to close an opening
Ãâó: wordnet.princeton.edu/perl/webwn
|
| sphincter |
A ring-shaped muscle that relaxes or tightens 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).
Ãâó: www.stjude.org/glossary
|
| sphincter |
A band of tissue that acts like a one-way valve, allowing substances in the body to flow in one direction.
Ãâó: www.ehealthmd.com/library/heartburn/HB_glossary.ht...
|