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(STAYR-oyd)
![](https://webarchive.library.unt.edu/eot2008/20090514072511im_/http://www.cancer.gov/images/spacer.gif)
| Any of a group of lipids (fats) that have a certain chemical structure. Steroids occur naturally in plants and animals or they may be made in the laboratory. Examples of steroids include sex hormones, cholesterol, bile acids, and some drugs. |
Previous Definitions: | stereotaxic radiosurgery, stereotaxis, sterile, sterile talc powder, sternum | Next Definitions: | steroid cream, steroid drug, steroid metabolism gene, steroid therapy, STI571 |
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