Wednesday, December 14, 2011

What is phosphodiesterase 5 (PDE5)?

Phosphodiesterase 5 (PDE5) is an enzyme that terminates the activity of cGMP by converting it to an inactive form [10,11]. In the penis, the inactivation of cGMP by PDE5 blocks the cascade of events supporting erection, resulting in detumescence.

1 comment: