The hydraulic effect of blood engorging the erectile tissues of the corpus cavernosum and spongiosum of the penis, causing it to become enlarged and turgid, often the result of arousal.
The four sexual responses of the male
The hydraulic effect of blood engorging the erectile tissues of the corpus cavernosum and spongiosum of the penis, causing it to become enlarged and turgid, often the result of arousal.
