=====Ganglion===== Ganglion (/ˈɡæŋɡliən/ gang-glee-ən; plural ganglia) is a nerve cell cluster or a group of nerve cell bodies located in the [[peripheral nervous system]]. Cells found in a ganglion are called [[ganglion cell]]s, though this term is also sometimes used to refer specifically to retinal ganglion cells. [[Trigeminal ganglion]] [[Cervical ganglia]]