spinal block

obstruction of the flow of spinal fluid by blockage of the spinal canal.
Also called subarachnoid block.
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American Heritage
Medical Dictionary

spinal block n.

  1. Pathological obstruction of the flow of cerebrospinal fluid in the spinal subarachnoid space.

  2. Spinal anesthesia. Not in technical use.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
It can be done from the waist down with a spinal block.
After getting this kind of pain relief, you can still get an epidural or spinal block later.
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