creatine[krē′ə tēn′, -tin]
a crystalline substance, CHNO, present in muscle tissue, usually in the form of phosphocreatine
Origin of creatine; from Classical Greek kreas, flesh (see crude) + -ine
A nitrogenous organic acid, C4H9N3O2, that is found in the muscle tissue of vertebrates mainly in the form of phosphocreatine and supplies energy for muscle contraction.
Origin of creatineFrench créatine : from Greek kreas, kreat-, flesh; see kreu&schwa;- in Indo-European roots.
- Not an α-amino acid