âTo the left of the pedestrian gate, which is wooden, is a mesh gate, and that had been cut,â testified Bloom.
Freebase (0.00 / 0 votes) Rate this definition: Intrathecal. Intrathecal is an adjective that refers to something introduced into or occurring in the space under the arachnoid membrane of the brain or spinal cord. For example, intrathecal immunoglobulin production means production of this substance in the spinal cord.
On Dec. 28, the FDA approved ziconotide intrathecal (IT) infusion (Prialt, made by Elan Corporation, plc), for the management of severe chronic pain in patients for whom IT therapy is warranted, and who are intolerant or refractory to other treatment, such as systemic analgesics, adjunctive therapies, or IT morphine.