The surgical removal or destruction of nerves supplying a particular body part or organ.
From 'denervate' plus the suffix '-ion', creating a noun for the medical procedure or condition of being without nerve supply.
Denervation is used to treat severe chronic pain, but interestingly, it can cause 'denervation hypersensitivity'—tissues become even MORE sensitive when their nerves are cut, a frustrating paradox doctors are still studying.
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