Definitions for: Ganglion


[n] an encapsulated neural structure consisting of a collection of cell bodies or neurons



Webster (1913) Definition: 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.

See Also: autonomic ganglion, basal ganglion, nervous system, neural structure, systema nervosum

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