n. A bicyclic heterocycle 3,7-dihydropurin-6-one that is an intermediate in the biosynthesis of uric acid
The Century Dictionary and Cyclopedia
n. A substance (C5H4N4O) found in the muscles, liver, spleen, and other organs, which crystallizes in needles and forms compounds with both acids and bases. It is also produced during the putrefaction of proteids. Also called sarcine.
Word Usage
"In addition, a second chemical found in tea—a compound known as hypoxanthine—also appears to be a component of follicular fluid, the liquid that surrounds the egg and helps foster maturation and even fertilization."