[six] Erection subsides when parasympathetic stimulation is discontinued; baseline stimulation from the sympathetic division in the autonomic nervous system leads to constriction of the penile arteries and cavernosal sinosoids, forcing blood out on the erectile tissue by means of erection-associated veins which involve a single deep dorsal vein, a pair https://ed78998.blogolize.com/what-does-official-mean-66250096