human_reference_atlas has part blood vessel endothelial cell Homo sapiens inferior vesical vein venous plexus blood vasculature prostatic venous plexus http://upload.wikimedia.org/wikipedia/commons/b/bd/Gray585.png uberon pudendal venous plexus UBERON:0009042 FMA:29711 plexus venosus prostaticus prostatic venous plexus prostatic venous plexus AS Wikipedia:Prostatic_venous_plexus SCTID:303052003 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.