![](https://webarchive.library.unt.edu/eot2008/20090514045259im_/http://www.cancer.gov/images/spacer.gif) |
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(MY-kroh-NOO-tree-ent)
![](https://webarchive.library.unt.edu/eot2008/20090514045259im_/http://www.cancer.gov/images/spacer.gif)
| A substance the body needs in tiny amounts to grow and stay healthy. Examples are vitamins and minerals. |
Previous Definitions: | microcalcification, microfluidic device, microgram, micrometastasis, micromolar | Next Definitions: | microorganism, microsatellite, microsatellite instability, microscope, microscopic |
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![](https://webarchive.library.unt.edu/eot2008/20090514045259im_/http://www.cancer.gov/images/spacer.gif) |