venous plexus venous plexus in vertebrates, a venous plexus is a normal congregation anywhere in the body of multiple veins. venous plexusthe veins of the right half of the male pelvis.detailsidentifierslatinrete venosum plexus venosusta98a12.0.00.011 a12.0.00.015ta23926fma4767anatomical terminology a list of venous plexuses: basilar plexus batson venous plexus epidural venous plexus external vertebral venous plexuses internal vertebral venous plexuses pampiniform venous plexus prostatic venous plexus pterygoid plexus rectal venous plexus soleal venous plexus submucosal venous plexus of the nose suboccipital venous plexus uterine venous plexus vaginal venous plexus venous plexus of hypoglossal canal vesical venous plexus