Final answer:
Cutting a nerve tract to alleviate pain is known as a surgical procedure called neurectomy.
Step-by-step explanation:
Cutting a nerve tract to alleviate pain is known as a surgical procedure called neurectomy. Neurectomy involves the selective removal or cutting of specific nerves involved in transmitting pain signals to the brain.
For example, in cases of chronic pain conditions such as trigeminal neuralgia, neurectomy may be performed to relieve the severe facial pain by cutting the trigeminal nerve.
It's important to note that neurectomy should only be considered as a last resort when other pain management options have been exhausted, as it can have potential complications and risks.