Conus Medullaris L1-L2 — FRCA Primary MCQ
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Correct answer: E — L1-L2
In adults the conus terminates at lower L1 to upper L2. Below this the cauda equina continues in the lumbar cistern. Lumbar puncture is performed at L3/4 or L4/5 to avoid cord injury. In neonates the cord ends at approximately L3.
Reference: RCoA 2021 Primary FRCA Curriculum