![](https://webarchive.library.unt.edu/eot2008/20090514051552im_/http://www.cancer.gov/images/spacer.gif) |
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(OR-ul)
![](https://webarchive.library.unt.edu/eot2008/20090514051552im_/http://www.cancer.gov/images/spacer.gif)
| By or having to do with the mouth. |
Previous Definitions: | optic nerve, optic pathway glioma, optic tract, optical coherence tomography, optical spectroscopy | Next Definitions: | oral and maxillofacial surgeon, oral cancer, oral cavity, oral cavity cancer, oral contraceptive pill |
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![](https://webarchive.library.unt.edu/eot2008/20090514051552im_/http://www.cancer.gov/images/spacer.gif) |