| cranial nerve |
any of the twelve paired nerves, such as the optic and auditory nerves, that extend from the stem of the brain through openings in the skull. |
| nerve block |
a local anesthetic that works by temporarily deadening a particular nerve, usu. administered by injection into or next to the nerve. |
| nerve cell |
a neuron. |
| nerve center |
a group of closely connected nerve cells that performs a particular function. [2 definitions] |
| nerve gas |
any poisonous gas that attacks the nervous system. |
| nerve impulse |
an electrochemical signal that moves along a stimulated nerve fiber. |
| nerve-racking |
inflicting great strain or irritation on one's patience, courage, or the like. |
| olfactory nerve |
either of the first pair of cranial nerves that transmit nerve impulses from the mucous membrane in the nose to the forebrain. |
| optic nerve |
either one of the two nerves that connect the retinas of the eyes to the brain. |
| trigeminal nerve |
either one of the fifth pair of cranial nerves that conduct impulses from the head and face to the brain. |