First Known Use of intrathecal
Medical Definition of intrathecal
: 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
Learn More about intrathecal
Seen and Heard
What made you want to look up intrathecal? Please tell us where you read or heard it (including the quote, if possible).