association fiber
noun
: a nerve fiber connecting different parts of the brain
especially
: any of the fibers connecting different areas within the cortex of each cerebral hemisphere compare projection fiber
Cite this Entry
“Association fiber.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/association%20fiber. Accessed 30 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share