Ganglion GANG'LION, n. In anatomy, a small circumscribed tumor, found in certain parts of the nervous system.
1. In surgery, a movable tumor formed on the tendons, generally about the wrist.

ganglion n 1: an encapsulated neural structure consisting of a collection of cell bodies or neurons

ganglion 1681, from Gk. ganglion "tumor," used by Galen for "nerve bundle." Of unknown origin; according to Galen, the proper sense of the word was "anything gathered into a ball."

ganglion noun (plural ganglia; also -glions) Etymology: Late Latin, from Greek Date: circa 1681 1. a small cystic tumor connected either with a joint membrane or tendon sheath 2. a. a mass of nerve tissue containing cell bodies of neurons external to the brain or spinal cord; also nucleus 2b b. something likened to a nerve ganglion <a ganglion of cables and wires> • ganglionated adjective • ganglionic adjective

ganglion
n. (pl. ganglia or ganglions)
1 a an enlargement or knot on a nerve etc. containing an assemblage of nerve-cells. b a mass of grey matter in the central nervous system forming a nerve-nucleus.
2 Med. a cyst, esp. on a tendon sheath.
3 a centre of activity or interest.
Derivatives:
gangliar adj. gangliform adj. ganglionated adj. ganglionic adj.
Etymology: Gk gagglion

ganglion ˈɡæŋɡlɪən n. (pl. ganglia or ganglions) 1 a an enlargement or knot on a nerve etc. containing an assemblage of nerve-cells. b a mass of grey matter in the central nervous system forming a nerve-nucleus. 2 Med. a cyst, esp. on a tendon sheath. 3 a centre of activity or interest. øøgangliar adj. gangliform adj. ganglionated adj. ganglionic adj. [Gk gagglion]

Ganglion \Gan"gli*on\, n.; pl. L. Ganglia, E. Ganglions. [L. ganglion a sort of swelling or excrescence, a tumor under the skin, Gr. ?: cf. F. 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.) 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.

30 Moby Thesaurus words for "ganglion": afferent neuron, autonomic nervous system, axon, brain, center of activity, central nervous system, cerebral cortex, craniosacral nervous system, dendrite, effector organ, efferent neuron, gray matter, internuncial neuron, medullary sheath, nerve, nerve center, nerve trunk, nervous system, neuron, peripheral nervous system, plexus, sensorium, sensory area, sensory cell, solar plexus, spinal cord, synapse, thoracolumbar nervous system, vital center, white matter

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