pith

pith definition - medical

pith (pĭth)

noun
  1. The soft inner substance of a hair.
  2. Spinal cord or bone marrow. No longer in technical use.
verb
To sever or destroy the spinal cord of a vertebrate animal, usually by means of a needle inserted into the vertebral canal.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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