A bundle of axons in the peripheral nervous system, enclosed by supporting connective tissue. A nerve can carry sensory fibres, motor fibres, or both; it is distinct from an individual neuron.[ref]
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"Nerve" can refer to several different concepts depending on the context: 1. **Biology/Anatomy**: In a biological context, nerve refers to a bundle of fibers that transmits impulses of sensations to the brain or spinal cord and impulses from these to the body. Nerves are essential for the functioning of the nervous system, allowing organisms to respond to stimuli.