L5S1S2S3S4Pelvic splanchnic nerves(parasympatheticsfrom S2 to S4)Sacral splanchnic nervesGray ramicommunicantesSympathetictrunkHypogastric nerveGanglionimparSuperior hypogastric plexusInferior hypogastricplexusPelvic parasympathetics ascendingSympathetics descendingA