![](https://webarchive.library.unt.edu/web/20090514035017im_/http://www.cancer.gov/images/spacer.gif) |
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(pair-ih-STAL-sis)
![](https://webarchive.library.unt.edu/web/20090514035017im_/http://www.cancer.gov/images/spacer.gif)
| The rippling motion of muscles in the intestine or other tubular organs characterized by the alternate contraction and relaxation of the muscles that propel the contents onward. |
Previous Definitions: | peripheral stem cell, peripheral stem cell support, peripheral stem cell transplantation, peripheral T-cell lymphoma, peripheral venous catheter | Next Definitions: | peritoneal, peritoneal cancer, peritoneal cavity, peritoneal fluid, peritoneal infusion |
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