Erect human penis in art (7 C, 76 B) N. ▻ Nude or partially nude men with erect penis (1 C, 3 B) . A male's erect penis, own view.
The human penis is an external male intromittent organ that additionally serves as the urinal .. (See nocturnal penile tumescence.) The primary physiological.
WebMD's Penis Anatomy Page provides a diagram of the penis and describes its function, parts, and conditions that can affect the penis.