ganglion

noun
gan·​gli·​on | \ ˈgaŋ-glē-ən How to pronounce ganglion (audio) \
plural ganglia\ ˈgaŋ-​glē-​ə How to pronounce ganglia (audio) \ 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 How to pronounce ganglionated (audio) \ adjective
ganglionic \ ˌgaŋ-​glē-​ˈä-​nik How to pronounce ganglionic (audio) \ adjective

Examples of ganglion in a Sentence

Recent Examples on the Web For example, stellate ganglion block is an injection that helps to calm an overactive fight-or-flight system, and ketamine infusions are another emerging treatment option. Shauna Springer, CNN, "9/11 and Covid-19: 2 mass trauma events with different recovery challenges," 11 Sep. 2020 Canadiens legend Guy Lafleur underwent surgery to remove ganglions and a lobe on his lung on Nov. 28 in Montreal, the team announced Sunday. Gethin Coolbaugh, courant.com, "Bruins win 7th straight, rally to beat Canadiens," 1 Dec. 2019 Results from a new clinical trial of active-duty service members have shown that an injection in the neck called stellate ganglion block, or SGB, is an effective treatment for post-traumatic stress disorder. Heather Abbott, CBS News, "New Army-funded research shows promise for PTSD treatment featured on 60 Minutes," 6 Nov. 2019 Retinal ganglion cells that take up the gene can then respond to red light projected into the eye. Kelly Servick, Science | AAAS, "New technologies promise sharper artificial vision for blind people," 31 Oct. 2019 The dorsal root ganglion is a collection of nerves near the spinal canal that can be stimulated to provide pain relief in certain conditions. Markus Bendel, sun-sentinel.com, "Although uncommon, some people have pain even after knee replacement surgery," 14 Aug. 2019 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

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.

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First Known Use of ganglion

1597, in the meaning defined at sense 1

History and Etymology for ganglion

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

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Time Traveler for ganglion

Time Traveler

The first known use of ganglion was in 1597

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Statistics for ganglion

Last Updated

19 Sep 2020

Cite this Entry

“Ganglion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ganglion. Accessed 21 Oct. 2020.

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More Definitions for ganglion

ganglion

noun
How to pronounce ganglion (audio)

English Language Learners Definition of ganglion

medical : a mass of nerve cells

ganglion

noun
gan·​gli·​on | \ ˈgaŋ-glē-ən How to pronounce ganglion (audio) \
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 How to pronounce ganglion (audio) \
plural ganglia\ -​glē-​ə How to pronounce ganglia (audio) \ 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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More from Merriam-Webster on ganglion

Nglish: Translation of ganglion for Spanish Speakers

Britannica English: Translation of ganglion for Arabic Speakers

Britannica.com: Encyclopedia article about ganglion

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