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ganglion

[gang-glee-uh n] /ˈgæŋ gli ən/
noun, plural ganglia
[gang-glee-uh] /ˈgæŋ gli ə/ (Show IPA),
ganglions.
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.
Origin
1675-1685
1675-85; < Late Latin: a type of swelling < Greek gánglion a tumor under the skin, on or near a tendon
Related forms
ganglial, gangliar, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for ganglial

ganglion

/ˈɡæŋɡlɪən/
noun (pl) -glia (-ɡlɪə), -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
Derived Forms
ganglial, gangliar, adjective
ganglionic, 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
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Word Origin and History for ganglial

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."

Online Etymology Dictionary, © 2010 Douglas Harper
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ganglial in Medicine

ganglion gan·gli·on (gāng'glē-ən)
n. pl. gan·gli·ons or gan·gli·a (-glē-ə)

  1. A group of nerve cells forming a nerve center, especially one located outside the brain or spinal cord. Also called 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. Also called myxoid cyst, synovial cyst.


gan'gli·al adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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ganglial in Science
ganglion
  (gāng'glē-ən)   
Plural ganglia
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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