16 out of 19
During a procedure to remove cerebrospinal fluid from the subarachnoid space below the end of the spinal cord at vertebral level LII, the needle was advanced too far and penetrated the ligamentforming the anterior border of the vertebral canal. Which of the following ligaments, not normally pierced during this procedure, was accidentally penetrated (AIPG 2010)
Ans. C Posterior longitudinal
The posterior longitudinal ligament is situated within the vertebral canal, and extends along the posterior surfaces of the bodies of the vertebræ, from the body of the axis, where it is continuous with the membrana tectoria, to the sacrum.