![](https://webarchive.library.unt.edu/eot2008/20090514025506im_/http://www.cancer.gov/images/spacer.gif) |
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(in VEE-troh)
![](https://webarchive.library.unt.edu/eot2008/20090514025506im_/http://www.cancer.gov/images/spacer.gif)
| In the laboratory (outside the body). The opposite of in vivo (in the body). |
Previous Definitions: | impotent, IMRT, In 111 ibritumomab tiuxetan, In 111 Zevalin, in situ | Next Definitions: | in vitro fertilization, in vivo, in-transit metastasis, inalimarev, incidence |
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![](https://webarchive.library.unt.edu/eot2008/20090514025506im_/http://www.cancer.gov/images/spacer.gif) |