Epidural anesthesia requires epidural puncture.
Apr 30, 2022
The human spinal cord, located in the spinal canal, is connected to the medulla oblongata (respiratory and heartbeat center) at the top, stops at the first segment of the lumbar vertebra, and is connected to the spinal nerves (responsible for sensation and movement below the neck).
Such an important organ is naturally under heavy protection. Outside the spinal cord, there is a layer of pia mater, outside the pia mater, there is a layer of dura mater; and inside the spinal canal, there is a layer of periosteum.
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