The helicine arteries then fill the corpora cavernosa, compressing the venous outflow with the penis. This process is called the veno-occlusive system and it effects with penile erection. Ischiocavernosus (x2) – surrounds the still left and correct crura of the penis. It contracts to power blood in the cavernous spaces https://spencer02n77.azzablog.com/35688643/penis-an-overview