The prostatic veins form a well-marked prostatic plexus which lies partly in the fascial sheath of the prostate and partly between the sheath and the prostatic capsule. It communicates with the pudendal

Pudendal plexus (veins)

The pudendal plexus lies behind the arcuate pubic ligament and the lower part of the pubic symphysis, and in front of the bladder and prostate. Its chief tributary is the deep dorsal vein of the penis, but it also receives branches from the front of the bladder and prostate...

 and vesical plexus

Vesical venous plexus

The vesical plexus envelops the lower part of the bladder and the base of the prostate and communicates with the pudendal and prostatic plexuses.It is drained, by means of several vesical veins, into the hypogastric veins.-External links:*...

es.
The prostatic venous plexus connects with vertebral veins, this is thought to be the route of bone metastasis of prostate cancer.

External links

- "The Male Pelvis: The Prostate Gland"