a group of long, thin fibres (= structures like threads) that carry information or instructions between the brain and other parts of the body
A neurotransmitter is a chemical that nerve cells use to communicate with each other and with muscles.
The doctor explained the function of the optic nerve.
Injuries to the nerve can result in loss of sensation.
The nervous system relies on efficient communication between nerves.
The surgeon carefully avoided damaging the nearby nerve.
