ganglion
noun
gan·gli·on
| \ ˈgaŋ-glē-ən
\
\
plural ganglia\ ˈgaŋ-glē-ə
\
also ganglions
\
also ganglions
Definition of ganglion
1
: a small cystic tumor connected either with a joint membrane or tendon sheath
2a
: a mass of nerve tissue containing cell bodies of neurons external to the brain or spinal cord
also
: nucleus sense 2b
b
: something likened to a nerve ganglion
a ganglion of cables and wires
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Other Words from ganglion
ganglionated
\ ˈgaŋ-glē-ə-ˌnā-təd
\
adjective
\
adjective
ganglionic
\ ˌgaŋ-glē-ˈä-nik
\
adjective
\
adjective
Examples of ganglion in a Sentence
Recent Examples on the Web
Another minimally invasive procedure that has shown some benefit for chronic knee pain after surgery is the use of dorsal root ganglion, or DRG, stimulation. — Markus Bendel, sun-sentinel.com, "Although uncommon, some people have pain even after knee replacement surgery," 14 Aug. 2019 Something that tickles the ganglions and charges you up to make it across the finish line to Labor Day? — Globe Staff, BostonGlobe.com, "Dwayne Johnson and Jason Statham’s ‘Hobbs & Shaw’ is brainless, but it’s a fun summer movie," 31 July 2019 Migraines, this theory holds, start when the spreading electrical wave activates the trigeminal ganglion, a cluster of neurons that sit close to the brainstem. — Tony Dajer, Discover Magazine, "Vertigo, Panic and Trouble Breathing: What's Going On Here?," 19 Oct. 2018 Fewer than 5 percent of the neurons, called retinal ganglion cells, grew back. — Rebecca Robbins, STAT, "A daredevil researcher’s latest quest: to restore sight lost to glaucoma using virtual reality," 2 July 2018 These wavelength-sensitive photoreceptors were identified soon after and are known as melanopsin-containing ganglion cells. — Jessica Schmerler, Scientific American, "Q&A: Why Is Blue Light before Bedtime Bad for Sleep?," 1 Sep. 2015 With oral herpes, HSV-1 hangs out in the trigeminal ganglion, a nerve cluster in your skull. — Becky Little, Smithsonian, "Can We Gene-Edit Herpes Away?," 23 Mar. 2018 This includes ipRGCs, or intrinsically photosensitive retinal ganglion cells. — Brittany Nader, cleveland.com, "University of Akron biology professor, team of scientists make breakthrough discovery on vision," 17 Jan. 2018 The U.S. Army is researching an anesthetic injection called a stellate ganglion block that could relieve symptoms of post-traumatic stress disorder. — Michael M. Phillips, WSJ, "Can a Single Injection Conquer PTSD? The Army Wants to Find Out," 12 June 2017These 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.
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More Definitions for ganglion
ganglion
noun
English Language Learners Definition of ganglion
medical
: a mass of nerve cells
See the full definition for ganglion in the English Language Learners Dictionary
ganglion
noun
gan·gli·on
| \ ˈgaŋ-glē-ən
\
\
plural ganglia\ -glē-ə \
Kids Definition of ganglion
: a mass of nerve cells especially outside the brain or spinal cord
ganglion
noun
gan·gli·on
| \ ˈgaŋ-glē-ən
\
\
plural ganglia\ -glē-ə
\
also ganglions
\
also ganglions
Medical Definition of ganglion
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
2a
: 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 sense 2 — see basal ganglion
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