If the wall around the erectile tissue wasn't there, if it wasn't reinforced in this way, the shape would change, but the inflated penis would not resist bending, and erection simply wouldn't work.
勃起組織の 周りの壁がなければ このように硬くはなりません 膨張して変形はしますが 曲がってしまうので 機能を 果たさなくなってしまいます