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intrathecal

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adjective in·tra·the·cal \ˌin-trə-ˈthē-kəl, -(ˌ)trä-\

Definition of intrathecal

  1. :  introduced into or occurring in the space under the arachnoid membrane of the brain or spinal cord intrathecal drugs

intrathecally

play \ˌin-trə-ˈthē-k(ə-)lē, -(ˌ)trä-\ adverb

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First Known Use of intrathecal

1887

Medical Dictionary

intrathecal

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adjective in·tra·the·cal \-ˈthē-kəl\

Medical Definition of intrathecal

  1. :  introduced into or occurring in the space under the arachnoid membrane of the brain or spinal cord intrathecal chemotherapy and cranial irradiation—Journal of the American Medical Association

intrathecally

\-kə-lē\play adverb

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