- interruption of conduction of nerve impulses by the injection of an anesthetic into the spinal canal that reduces sensitivity to pain without loss of consciousness.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
- Anesthesia produced by injection of a local anesthetic solution into the spinal subarachnoid space.
- Loss of sensation produced by disease of the spinal cord.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.