perineurium

[ per-uh-noo r-ee-uh m, -nyoo r- ]

/ ˌpɛr əˈnʊər i əm, -ˈnyʊər- /

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

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

Nearby words

perinephritis, perinephrium, perineum, perineural anesthesia, perineuritis, perineurium, perinuclear, period, period drama, period of revolution, period piece

Origin of perineurium

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

Related formsper·i·neu·ri·cal, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for perineurium

perineurium

/ (ˌpɛrɪˈnjʊərɪəm) /

noun

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

Derived Formsperineurial, 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

Medicine definitions for perineurium

perineurium

[ pĕr′ə-nur′ē-əm ]

n. pl. per•i•neu•ri•a (-ē-ə)

The sheath of connective tissue enclosing a bundle of nerve fibers.

Related formsper′i•neu′ri•al adj.