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.
The prefix intra-means âwithinâ, while inter-means âbetweenâ or âamongâ. The word intramural literally means âwithin wallsâ, and refers to things that occur within the walls of a school, or things that are self-contained.he prefix intra-means âwithinâ, while inter-means âbetweenâ or âamongâ. The word intramural literally means âwithin wallsâ, and refers to things that occur within the walls of a school, or things that are self-contained.