ganglion

noun gan·gli·on \ ˈgaŋ-glē-ən \

Definition of ganglion

plural -glia play \ˈgaŋ-glē-ə\ also ganglions
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

play \ˈgaŋ-glē-ə-ˌnā-təd\ adjective

ganglionic

play \ˌgaŋ-glē-ˈä-nik\ adjective

Recent Examples of ganglion from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ganglion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of ganglion

borrowed from Latin, borrowed from Greek ganglíon "tumor on a tendon, mass of nerve tissue (thought to resemble such tumors)," of obscure origin


GANGLION Defined for English Language Learners

ganglion

noun

Definition of ganglion for English Language Learners

  • medical : a mass of nerve cells


GANGLION Defined for Kids

ganglion

noun gan·gli·on \ ˈgaŋ-glē-ən \

Definition of ganglion for Students

plural ganglia \-glē-ə\
: a mass of nerve cells especially outside the brain or spinal cord

Medical Dictionary

ganglion

noun gan·gli·on \ ˈgaŋ-glē-ən \

medical Definition of ganglion

plural -glia play \-glē-ə\ also ganglions
1 : a small cystic tumor (as on the back of the wrist) containing viscid fluid and connected either with a joint membrane or tendon sheath
2 a : a mass of nerve tissue containing cell bodies of neurons that is located outside the central nervous system and forms an enlargement upon a nerve or upon two or more nerves at their point of junction or separation
b : a mass of gray matter within the brain or spinal cord : nucleus 2 — see basal ganglion


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