perineurium

[ per-uh-noor-ee-uhm, -nyoor- ]

/ ˌpɛr əˈnʊər i əm, -ˈnyʊər- /

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noun, plural per·i·neu·ri·a

[per-uh-noor-ee-uh, -nyoor-]. /ˌpɛr əˈnʊər i ə, -ˈnyʊər-/. Anatomy.

the sheath of connective tissue that encloses a bundle of nerve fibers.

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Origin of perineurium

From New Latin, dating back to 1835–45; see origin at peri-, neur-, -ium

OTHER WORDS FROM perineurium

per·i·neu·ri·cal, adjective

Words nearby perineurium

perineal, perineal gland, perinephrium, perineum, perineuritis, perineurium, perinuclear, period, periodate, period drama, periodic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for perineurium

perineurium

/ (ˌpɛrɪˈnjʊərɪəm) /

noun

the connective tissue forming a sheath around a single bundle of nerve fibres

Derived forms of perineurium

perineurial, adjective

Word Origin for perineurium

C19: from New Latin, from peri- + Greek neuron nerve

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