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