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English definition of “nerve”

nerve

noun [C] (BODY FIBER)   /nɜrv/
biology a group of long, thin fibers in the body, esp. in the brain, which send and receive messages that control how the body reacts to signals it receives, such as to changes in temperature or pressure against the skin
(Definition of nerve noun (BODY FIBER) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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