[ep-uh-noo r-ee-uh m, -nyoo r-]

noun, plural ep·i·neu·ri·a [ep-uh-noo r-ee-uh, -nyoo r-] /ˌɛp əˈnʊər i ə, -ˈnyʊər-/. Anatomy.

the dense sheath of connective tissue that surrounds the trunk of a nerve.

Origin of epineurium

1880–85; < New Latin, equivalent to epi- epi- + Greek neûron sinew, tendon + New Latin -ium -ium
Related formsep·i·neu·ri·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for epineurial



a sheath of connective tissue around two or more bundles of nerve fibres
Derived Formsepineurial, adjective

Word Origin for epineurium

C19: from New Latin, from epi- + Greek neuron nerve + -ium
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

epineurial in Medicine




Of, relating to, or characteristic of the epineurium.



n. pl. ep•i•neu•ri•a (-nurē-ə)

The thick sheath of connective tissue surrounding a nerve trunk.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.