![](https://webarchive.library.unt.edu/eot2008/20090514040742im_/http://www.cancer.gov/images/spacer.gif) |
|
(peer-ee-TREX-im)
![](https://webarchive.library.unt.edu/eot2008/20090514040742im_/http://www.cancer.gov/images/spacer.gif)
| A substance that is being studied in the treatment of cancer. It belongs to the family of drugs called folate antagonists. |
Previous Definitions: | pineocytoma, pinkeye, pioglitazone, piperacillin-tazobactam, pirfenidone | Next Definitions: | pituitary gland, pituitary tumor, pixantrone, PJS, PKC |
|
![](https://webarchive.library.unt.edu/eot2008/20090514040742im_/http://www.cancer.gov/images/spacer.gif) |