An adenosine-derived nucleotide,C10H16N5O13P3,that supplies large amounts of energy to cells for various biochemical processes,including muscle contraction and sugar metabolism,through its hydrolysis to ADP.

• （缩写）三磷酸腺苷一种由腺苷衍生的核苷酸C10H16N5O13P3，通过它的水解作用到二磷酸腺苷可为细胞进行各类生化过程提供大量能量，包括肌肉收缩及糖份释放。