adj. Describing the nerve fibres that supply a ganglion
The Century Dictionary and Cyclopedia
Of or pertaining to nerve-fibrillæ or other structures that are proximal with reference to a ganglion.
Word Usage
"The efferent sympathetic fibers which leave the central nervous system in connection with certain of the cranial and spinal nerves all end in sympathetic ganglia and are known as preganglionic fibers."