The dorsal vein of the penis is a large vessel that returns the blood from the skin, the glans, the prepuce, the corpus spongiosum, and the corpora cavernosum of the penis. It consists of two branches which run along the dorsum of the penis and unite near the root into a single trunk. It runs between the two layer of the suspensory ligament of the penis, gives off a branch to the internal pudendal vein, passes betveen the Inferior pubic ligament and the urogenital diapbragm. and empties into the prostatic plexus of veins which opens into the Internal iliac veins.