Prostatic venous plexus

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 and vesical plexuses.

Prostatic venous plexus
The veins of the right half of the male pelvis. (Prostatic plexus labeled at bottom right.)
Drains fromProstate
SourceDeep dorsal vein of the penis
Drains toVesical venous plexus and Pudendal plexus
Latinplexus venosus prostaticus
Anatomical terminology

The prostatic venous plexus drains into the internal iliac vein which connects with the vertebral venous plexus, this is thought to be the route of bone metastasis of prostate cancer.[1]

It is sometimes known as "Santorini's plexus," named for the Italian anatomist Giovanni Domenico Santorini.


This article incorporates text in the public domain from page 676 of the 20th edition of Gray's Anatomy (1918)

  1. "Male Genitals - Prostate Neoplasms". Pathology study images. University of Virginia School of Medicine. Archived from the original on 2011-04-28. Retrieved 2011-04-28. There are many connections between the prostatic venous plexus and the vertebral veins. The veins forming the prostatic plexus do not contain valves and it is thought that straining to urinate causes prostatic venous blood to flow in a reverse direction and enter the vertebral veins carrying malignant cells to the vertebral column.

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