Dictionary.com
definitions
  • synonyms

ganglion

[gang-glee-uh n]
See more synonyms for ganglion on Thesaurus.com
noun, plural gan·gli·a [gang-glee-uh] /ˈgæŋ gli ə/, gan·gli·ons.
  1. Anatomy.
    1. a mass of nerve tissue existing outside the central nervous system.
    2. any of certain masses of gray matter in the brain, as the basal ganglia.
  2. Pathology. a cyst or enlargement in connection with the sheath of a tendon, usually at the wrist.
  3. a center of intellectual or industrial force, activity, etc.
Show More

Origin of ganglion

1675–85; < Late Latin: a type of swelling < Greek gánglion a tumor under the skin, on or near a tendon
Related formsgan·gli·al, gan·gli·ar, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

headquartershotbedcorefocushearthubHQepicenterganglionswitchboard

Examples from the Web for ganglion

Historical Examples


British Dictionary definitions for ganglion

ganglion

noun plural -glia (-ɡlɪə) or -glions
  1. an encapsulated collection of nerve-cell bodies, usually located outside the brain and spinal cord
  2. any concentration of energy, activity, or strength
  3. a cystic tumour on a tendon sheath or joint capsule
Show More
Derived Formsganglial or gangliar, adjectiveganglionic or gangliated, adjective

Word Origin

C17: from Late Latin: swelling, from Greek: cystic tumour
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for ganglion

n.

1680s, from Greek 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."

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

ganglion in Medicine

ganglion

(găngglē-ən)
n. pl. gan•gli•ons
  1. A group of nerve cells forming a nerve center, especially one located outside the brain or spinal cord.neuroganglion
  2. A benign tumorlike cyst containing mucopolysaccharide-rich fluid enclosed within fibrous tissue and usually attached to a tendon sheath in the hand, wrist, or foot.myxoid cyst synovial cyst
Show More
Related formsgangli•al adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

ganglion in Science

ganglion

[găngglē-ən]
Plural ganglia
  1. A compact group of neurons enclosed by connective tissue and having a specific function. In invertebrate animals, pairs of ganglia occur at intervals along the axis of the body, with the forwardmost pair functioning like a brain. In vertebrates, ganglia are usually located outside the brain or spinal cord, where they regulate the functioning of the body's organs and glands as part of the autonomic nervous system.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.