[TA] one of the bilateral mixed (sympathetic, parasympathetic) autonomic plexus in the pelvis distributed to the pelvic viscera; it receives the hypogastric nerves and the pelvic splanchnic nerves and conveys visceral afferent fibers. SYN: plexus (nervosus) hypogastricus inferior [TA], pelvic (nerve) plexus*, plexus (nervosus) pelvicus*.