| 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. |
| spinal anesthesia n. Partial or complete anesthesia produced by injecting an anesthetic into the spinal canal. |
spinal anesthesia n.
Anesthesia produced by injection of a local anesthetic solution into the spinal subarachnoid space.
Loss of sensation produced by disease of the spinal cord.