The ischiocavernosus muscle mass really helps to stabilize the penis through erection by compressing the crus and slowing the return of blood from the veins. The bulbospongiosus muscle also contributes to erection together with the expulsion of urine and semen. Veins: Some penises may have visible veins, especially although https://travispjwmc.blogzet.com/the-ultimate-guide-to-dick-43440414