Definition of Purine

1. Bad Bugs and Their Bites Slideshow
2. Heartburn: Foods to Eat and Avoid Slideshow
3. Understanding Multiple Sclerosis Slideshow

Purine: One of the two classes of bases in DNA and RNA. The purine bases are guanine (G) and adenine (A). Uric acid, the offending substance in gout, is a purine end-product.

Need help identifying pills and medications?
Use the pill finder tool on RxList.