a short branched extension of a nerve cell

the long threadlike part of a nerve cell

that part of a nerve cell that make synaptic connections with another nerve cell

a chemical substance that is released at the end of a nerve fiber by the arrival of a nerve impulse

the space between neurons at a nerve

a junction between two nerve cells

an insulating layer, or sheath that forms around nerves

any of the cells in the peripheral nervous system that produce the myelin sheath around neuronal axons.

allows electrical impulses to transmit quickly and efficiently along the nerve cells

a gap in the myelin sheath of a nerve

A disease in which the immune system eats away at the protective covering of nerves.

a structure containing a number of nerve cell bodies,

a major passage in the body, large bundle of nerve fibers

a whitish fiber or bundle of fibers that transmits impulses of sensation to the brain or spinal cord