Definify.com
Webster 1913 Edition
Ganglion
Gan′gli-on
,Noun.
pl. L.
Ganglia
(#)
, E. Ganglions
(#)
. [L.
ganglion
a sort of swelling or excrescence, a tumor under the skin, Gr. [GREEK]: 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
.Webster 1828 Edition
Ganglion
GANG'LION
,Noun.
1.
In surgery, a movable tumor formed on the tendons, generally about the wrist.Definition 2024
Ganglion
ganglion
ganglion
See also: Ganglion
English
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.
- 2013 August 3, “The machine of a new soul”, in The Economist, volume 408, number 8847:
- The yawning gap in neuroscientists’ understanding of their topic is in the intermediate scale of the brain’s anatomy. Science has a passable knowledge of how individual nerve cells, known as neurons, work. It also knows which visible lobes and ganglia of the brain do what. But how the neurons are organised in these lobes and ganglia remains obscure.
-
- (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
Derived terms
Derived terms
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Translations
cluster of interconnecting nerve cells outside the brain
centre of power or authority
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