intrathecal

[ in-truh-thee-kuhl ]

/ ˌɪn trəˈθi kəl /

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adjective

Anatomy. situated within the thecal sac: covering the spinal cord.

Medicine/Medical. administered into the thecal sac: intrathecal injections.

noun

Pharmacology. anesthesia administered into the thecal sac: She was given an intrathecal during labor.

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What does "dignity" mean?

Origin of intrathecal

First recorded in 1885–90; intra- + theca + -al¹

in·tra·the·cal·ly, adverb