ganglion
noun
gan·gli·on
ˈgaŋ-glē-ən 
plural ganglia
ˈgaŋ-glē-ə
also ganglions
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 sense 2b
b
: something likened to a nerve ganglion
a ganglion of cables and wires
Examples of ganglion in a Sentence
Recent Examples on the Web
Researchers say that happens when bright light enters the inner surface of the retina where neurons called retinal ganglion cells are located.
—
Anuradha Varanasi, Forbes, 4 Nov. 2024
There are treatments that may help, such as smell training or a procedure known as a stellate ganglion block.
—Linda Carroll, NBC News, 22 Oct. 2024
What Causes Open-Angle Glaucoma? Open-angle glaucoma occurs as retinal ganglion cells in the back of the eye degrade and die.
—Mark Gurarie, Health, 3 Oct. 2024
But in today’s arthropods like insects, each segment has a neural center called a ganglion.
—Jason P. Dinh, Discover Magazine, 8 July 2022
See all Example Sentences for ganglion 
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Anuradha Varanasi, Forbes, 4 Nov. 2024
There are treatments that may help, such as smell training or a procedure known as a stellate ganglion block.
—Linda Carroll, NBC News, 22 Oct. 2024
What Causes Open-Angle Glaucoma? Open-angle glaucoma occurs as retinal ganglion cells in the back of the eye degrade and die.
—Mark Gurarie, Health, 3 Oct. 2024
But in today’s arthropods like insects, each segment has a neural center called a ganglion.
—Jason P. Dinh, Discover Magazine, 8 July 2022
See all Example Sentences for ganglion
Dictionary Entries Near ganglion
Cite this Entry
“Ganglion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ganglion. Accessed 1 Dec. 2024.
Copy CitationKids Definition
ganglion
noun
gan·gli·on
ˈgaŋ-glē-ən
plural ganglia
-glē-ə
also ganglions
also ganglions
: a mass of nerve tissue lying outside the brain or spinal cord and containing neurons
also
: nucleus sense c
Medical Definition
ganglion
noun
gan·gli·on
ˈgaŋ-glē-ən
plural ganglia
-glē-ə
also ganglions
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 sense 2 see basal ganglion
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