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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Question 1 of 7

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His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Origin of intrathecal

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

OTHER WORDS FROM intrathecal

in·tra·the·cal·ly, adverb

Words nearby intrathecal

intraspecies, intraspecific, intraspinal, intrastate, intratelluric, intrathecal, intrauterine, intrauterine device, intravasation, intravascular, intravenous