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intrathecal

American

[in-truh-thee-kuhl] / ˌɪn trəˈθi kəl /

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.

Other Word Forms

intrathecally

adverb

Etymology

Origin of intrathecal

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

intrathecal

“It must not be used by the intrathecal, epidural, intravenous or any other unspecified routes,” the company wrote.

From New York Times ● Jul. 31, 2018

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023