heteroxanthine

het·er·o·xan·thine

(het'ĕr-ō-zan'thin),
7-Methylxanthine; one of the alloxuric bases in urine, representing end products of purine metabolism.

het·er·o·xan·thine

(het'ĕr-ō-zan'thin)
7-Methylxanthine; one of the alloxuric bases in urine, representing end products of purine metabolism.