WHAT CAUSES ERECTILE DYSFUNCTION?
Defects preventing an appropriate erectile tissue response can interfere with reproductive capability. Erection of the penis is a hemodynamic action that tissue of the corpora cavernosa and the corpus spongiosum. This tissue consists of smooth muscle, endothelial cells, fibroblasts, and nerves that interact in order to enhance and maintain an accessory blood supply causing erection. Given the need for the blood flow during this response, it is clear that vascular insufficiency can decrease erectile capability.
In fact, vascular insufficiency may be a common pathology of erectile dysfunction.