[ep-uh-noor-ee-uhm, -nyoor-]
noun, plural epineuria [ep-uh-noor-ee-uh, -nyoor-] . Anatomy.
the dense sheath of connective tissue that surrounds the trunk of a nerve.

1880–85; < Neo-Latin, equivalent to epi- epi- + Greek neûron sinew, tendon + Neo-Latin -ium -ium

epineurial, adjective
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World English Dictionary
epineurium (ˌɛpɪˈnjʊərɪəm)
a sheath of connective tissue around two or more bundles of nerve fibres
[C19: from New Latin, from epi- + Greek neuron nerve + -ium]

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American Heritage
Medical Dictionary

epineurium ep·i·neu·ri·um (ěp'ə-nur'ē-əm, -nyur'-)
n. pl. ep·i·neu·ri·a (-nur'ē-ə, -nyur'-)
The thick sheath of connective tissue surrounding a nerve trunk.

The American Heritage® Stedman's Medical Dictionary
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Example sentences
Again the epineurium was removed, and no gap was left between the fascicle ends as observed through the wall of the nerve coupler.
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