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intrathecal

[ in-truh-thee-kuhl ]

adjective

  1. Anatomy. situated within the thecal sac: covering the spinal cord.
  2. Medicine/Medical. administered into the thecal sac:

    intrathecal injections.



noun

  1. Pharmacology. anesthesia administered into the thecal sac:

    She was given an intrathecal during labor.

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Other Words From

  • in·tra·the·cal·ly adverb
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Word History and Origins

Origin of intrathecal1

First recorded in 1885–90; intra- ( def ) + theca ( def ) + -al 1( def )

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intratelluricintrauterine