Creatine phosphate

Definition

Creatine phosphate is a high-energy compound found in muscle fibers that donates a phosphate group to ADP to regenerate ATP, which is crucial for muscle contraction. It serves as a rapid source of energy at the onset of muscular activity.

Related terms

ATP (Adenosine Triphosphate):

The primary molecule used by cells for energy; it releases energy when its phosphate bonds are broken.

ADP (Adenosine Diphosphate): A low-energy molecule that can be converted into ATP with the addition of a phosphate group.

Muscle Contraction:

The process by which muscle fibers generate force and shorten or maintain tension in response to stimuli; it depends heavily on ATP as an energy source