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-​ \

Definition of perineurium

: the connective-tissue sheath that surrounds a bundle of nerve fibers

First Known Use of perineurium

1867, in the meaning defined above

History and Etymology for perineurium

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

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Time Traveler for perineurium

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The first known use of perineurium was in 1867

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Cite this Entry

“Perineurium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perineurium. Accessed 13 May. 2021.

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More Definitions for perineurium

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) \

Medical Definition of perineurium

: the sheath of connective tissue that surrounds a bundle of nerve fibers

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