neuropil
noun
neu·ro·pil
ˈn(y)u̇r-ə-ˌpil 
variants
also neuropile
: a fibrous network of delicate unmyelinated nerve fibers interrupted by numerous synapses and found in concentrations of nervous tissue especially in parts of the brain where it is highly developed
Cite this Entry
“Neuropil.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/neuropil. Accessed 30 Nov. 2025.
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