The spinal cord ends in the lumbar area and continues through the vertebral canal as spinal nerves. Because of its resemblance to a horse's tail, the collection of these nerves at the end of the spinal cord is called the cauda equina. These nerves send and receive messages to and from the lower limbs and pelvic organs.
Review Date: 5/18/2020
Reviewed By: Luc Jasmin, MD, PhD, FRCS (C), FACS, Department of Surgery, Johnson City Medical Center, TN; Department of Surgery St-Alexius Medical Center, Bismarck ND; Department of Neurosurgery Fort Sanders Medical Center, Knoxville TN, Department of Neurosurgery UPMC Williamsport PA, Department of Maxillofacial Surgery at UCSF, San Francisco, CA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.