[six] Erection subsides when parasympathetic stimulation is discontinued; baseline stimulation from the sympathetic division with the autonomic nervous technique causes constriction on the penile arteries and cavernosal sinosoids, forcing blood out on the erectile tissue through erection-related veins which consist of one deep dorsal vein, a set of cavernosal veins, https://official72467.full-design.com/top-latest-five-bigger-erections-urban-news-69611424