'Hypoxanthin' definitions:
Definition of 'Hypoxanthin'
- Hypoxanthin \Hy`po*xan"thin\, n. [Pref. hypo- + xanthin.]
(Physiol. Chem.)
A crystalline, nitrogenous substance, closely related to
xanthin and uric acid, widely distributed through the animal
body, but especially in muscle tissue; -- called also
sarcin, sarkin.
[1913 Webster]