These three cylinders are the corpus spongiosum and two corpora cavernosa known as the corpus cavernosum of penis. The corpus cavernosum contains spongy erectile tissue. Cavernosal arteries run ...

1 The condition may worsen under the influence of stress and anxiety, which stimulate post-synaptic α-adrenergic receptor in the corpus cavernosum. 2 Inspite of being phosphodiesterase type 5 ...