erectile

Threespine sticklebacks are laterally compressed, fusiform shaped fish with three sharp, 'erectile' spines at the forward part of the dorsal fin.

Also distinguished by their long, 'erectile' , iridescent tail feathers, which they spread at every opportunity

Its blood-filled organ, encased in collagen, is remarkably similar in structure to the mammalian 'erectile' penis.

This drug increases the flow of blood in the 'erectile' organ which enhances the chances for a much better erection.

Tadalafil relaxes the blood vessels and the muscles which are present in the 'erectile' organ.