Abstract
The mechanism by which catecholamines modulate the contractile state of structures of the Male Reproductive System is described as their release by adrenergic terminals and by their binding to alpha and beta adrenergic receptors present in the tissues. However, we identified a basal release of 6-nitrodopamine (6-ND) by the epithelium of the vas deferens and seminal vesicle of humans, whic…