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intraspinal

[in-truh-spahyn-l]
adjective Anatomy.
  1. being within the spine.
  2. going into the spinal canal, as an injection.
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Origin of intraspinal

First recorded in 1830–40; intra- + spinal
Related formsin·tra·spi·nal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018