Nehe malli. Eka le walin hadana pool ekak. Eka hadaganne lingaye thiyena corpora cavernosa kiyana eka shirawala (veins)rudirayen piree giyahama. Ewaye tamai rudiraya purawala pranawath karanne. Corpus spongiosum kiyana eka ethulen tamai muthra margaya yanne. Eka ethule ekathuwena rudira pramanaya, kalin sandahan karapu eke rudira pramanayata wada adui. Enisa tamai, pranawath wuna kiyala kisi prashnayak wenne nette. Den therenawada?