A ganglion cell is a [[cell]] found in a [[ganglion]]. 

The term is also sometimes used to refer specifically to:

a retinal ganglion cell (RGC) found in the ganglion cell layer of the [[retina]];

cells that reside in the adrenal medulla, where they are involved in the sympathetic nervous system's release of epinephrine and norepinephrine into the blood stream;

and cells of the sympathetic ganglia, parasympathetic ganglia, and spiral ganglia.

cells of the parasympathetic ganglia

cells of the spiral ganglia