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Inferior to the bladder, identify the pyramidal-shaped prostate gland which surrounds the urethra (Figure 44.3). The apex of the prostate rests on the superior fascia of the urogenital diaphragm. The base of the prostate contacts with the bladder. Identify the prostatic venous plexus which surrounds the prostate gland. This venous plexus is continuous with both the internal pudendal vein and vertebral venous plexus (of Batson). Clinically, these venous connections serve as routes for the metastatic dissemination of prostatic cancer.
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