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English definition of “intrathecal”

intrathecal

adjective     /ˌɪn.trəˈθiː.kəl/ US  /ˌɪn.trəˈθiː.kəl/ specialized
in the fluid-filled space under the lining of the brain or spinal cord : an intrathecal injection The brain and nervous system
(Definition of intrathecal adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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