spinal nerve plexus lumbosacral nerve plexus http://upload.wikimedia.org/wikipedia/commons/8/8d/Gray822.png EHDAA2:0001040 plexus lumbosacralis MESH:D008160 EHDAA:4673 FMA:5907 An arrangement of nerve fibers, running from the spine that travels to the pelvic appendage where it innervates skin and muscle. UMLS:C0024093 uberon MA:0001181 Wikipedia:Lumbosacral_plexus BAMS:lsp plexus lumbosacralis VHOG:0000926 GAID:849 EMAPA:17587 lumbosacral plexus SCTID:181049003 UBERON:0001815 NCIT:C52805