This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax, Subject name: Anatomy
Spinal epidural space is the largest at the level of the 
Select and explain. 
A. 12th thoracic veebra, B. 1st lumbar veebra, C. 2nd lumbar veebra, D. 3rd lumbar veebra
D: 3rd lumbar veebra
Answer: D: 3rd lumbar veebra 
Explanation: Spinal epidural space is largest at 3rd lumbar veebrae .Spinal epidural space is a closed anatomic space between the dura mater and the bony spinal canal. It extends from the foramen magnum to the sacrum. Unlike its intracranial counterpa, spinal epidural space is real. The presence of anchoring plicae and meningoveebral ligaments divide the space into anterior, lateral and posterior compaments. Ref - pubmed.com