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intrathecal

[in-truh-thee-kuh l] /ˌɪn trəˈθi kəl/
adjective
1.
Anatomy. situated within the thecal sac: covering the spinal cord.
2.
Medicine/Medical. administered into the thecal sac:
intrathecal injections.
noun
3.
Pharmacology. anesthesia administered into the thecal sac:
She was given an intrathecal during labor.
Origin of intrathecal
1885-1890
First recorded in 1885-90; intra- + theca + -al1
Related forms
intrathecally, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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