GANGLION

ganglion

(noun) an encapsulated neural structure consisting of a collection of cell bodies or neurons

Source: WordNet® 3.1

Etymology

Noun

ganglion (plural ganglions or ganglia)

(neuroanatomy)

An encapsulated collection of nerve-cell bodies, located outside the brain and spinal cord.

Any of certain masses of gray matter in the brain, as the basal ganglia.

(by extension) A centre of intellectual or industrial force, activity, etc.

(pathology) A cystic tumour on a tendon sheath or joint capsule; a ganglion cyst.

Source: Wiktionary

Gan"gli*on, n.; pl. L. Ganglia, E. Ganglions. Etym: [L. ganglion a sort of swelling or excrescence, a tumor under the skin, Gr. ganglion.]

1. (Anat.) (a) A mass or knot of nervous matter, including nerve cells, usually forming an enlargement in the course of a nerve. (b) A node, or gland in the lymphatic system; as, a lymphatic ganglion.

2. (Med.)

Definition: A globular, hard, indolent tumor, situated somewhere on a tendon, and commonly formed by the effusion of a viscid fluid into it; -- called also weeping sinew. Ganglion cell, a nerve cell. See Illust. under Bipolar.

Source: Webster’s Unabridged Dictionary 1913 Edition