D defs.my
Entry 1 sense Webster, 1913

Hypoxanthin

· Hy·po·xan·thin · IPA
01 n. A crystalline, nitrogenous substance, closely related to xanthin and uric acid, widely distributed through the animal body, but especially …
  1. 1.
    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.(Physiol. Chem.) Also: sarcin, sarkin