perineurium

noun

peri·​neu·​ri·​um ˌper-ə-ˈnu̇r-ē-əm How to pronounce perineurium (audio)
-ˈnyu̇r-
plural perineuria ˌper-ə-ˈnu̇r-ē-ə How to pronounce perineurium (audio)
-ˈnyu̇r-
: the connective-tissue sheath that surrounds a bundle of nerve fibers

Word History

Etymology

New Latin, from peri- + Greek neuron nerve — more at nerve

First Known Use

1867, in the meaning defined above

Time Traveler
The first known use of perineurium was in 1867

Dictionary Entries Near perineurium

Cite this Entry

“Perineurium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perineurium. Accessed 7 Dec. 2024.

Medical Definition

perineurium

noun
peri·​neu·​ri·​um ˌper-ə-ˈn(y)u̇r-ē-əm How to pronounce perineurium (audio)
plural perineuria -ē-ə How to pronounce perineurium (audio)
: the sheath of connective tissue that surrounds a bundle of nerve fibers
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