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Pronunciation: fos'fa-jen

Definition: Energy-rich guanidinium or amidine phosphate, serving as an energy store in muscle and brain; phosphocreatine in mammals, phosphoarginine in invertebrates. Other phosphagens include phosphoagmatine, phosphoglycocyamine, and phospholombricine.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.