obsolete_Cauda equina syndrome true A peripheral nervous system disease that involves an acute loss of function of the lumbar plexus, neurologic elements (nerve roots) of the spinal canal below the termination (conus) of the spinal cord. Polyradiculopathy http://purl.obolibrary.org/obo/MONDO_0005693 Replaced by Mondo term MONDO_0005693, with which this term was previously merged. Use: http://purl.obolibrary.org/obo/MONDO_0005693 Sirarat Sarntivijai MESH:D011128 3.88.0 DOID:11577 MedDRA:10007821