Neurosurgery (or neurological surgery) or brain surgery is the medical specialty concerned with the prevention, diagnosis, treatment, and rehabilitation of disorders which affect any portion of the nervous system including the brain, spinal cord, peripheral nerves, and extra-cranial cerebrovascular system.

After falling victim to a tremor, Jonas Quinn underwent brain surgery so that the doctors at Stargate Command could remove it before it killed him. (SG1: "Prophecy")

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