nerves

noun
  1. Bundles of fibers in the body that transmit impulses of sensation to the brain or spinal cord, and impulses from these to the muscles and organs. noun
    The surgeon carefully avoided damaging the nerves during the operation.
    Nerves in the fingertips are responsible for the sense of touch.
  2. A person's mental state in terms of their ability to remain calm and composed, especially in stressful situations. noun
    She had to calm her nerves before giving the presentation.
    His nerves got the better of him, and he couldn't perform on stage.
  3. Feelings of anxiety or nervousness. noun
    He was a bundle of nerves before the exam.
    Her nerves were on edge as she waited for the interview.