anesthesia below the pelvis, induced by injecting an anesthetic into the sacral portion of the spinal canal.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Regional anesthesia by injection of a local anesthetic into the epidural space via the sacral hiatus.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.