The termination of a nerve, at the distal end of an axon

(anatomy) An axon

plural of nerve fiber

(anatomy) An axon.

plural of nerve fibre

(neuroanatomy) Each of the second pair of cranial nerves that carry visual information from the retina to the brain.

(physiology) The signal transmitted along a nerve fibre, either in response to a stimulus (such as touch, pain or heat), or as an instruction (such as causing a muscle to contract).

(cytology) A cell of the nervous system which conducts nerve impulses; a neuron.

(neuroanatomy) Any of the twelve paired nerves that originate from the brainstem or base of the brain instead of the spinal cord.

(neuroanatomy) Either of the tenth pair of cranial nerves which extend from the medulla oblongata down into the abdomen. Branches of these important nerves supply the tongue, larynx, lungs, gut, and heart.