perineurium

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perineurium

 [per″ĭ-noor´e-um]
the connective tissue sheath surrounding each bundle of nerve fibers (fascicle) in a peripheral nerve. adj., adj perineu´rial.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

per·i·neu·ri·um

, pl.

per·i·neu·ri·a

(per'i-nū'rē-ŭm, -rē-ă),
One of the supporting structures of peripheral nerve trunks, consisting of layers of flattened cells and collagenous connective tissue, which surround the nerve fasciculi and form the major diffusion barrier within the nerve; with the endoneurium and epineurium, composes the peripheral nerve stroma.
[L. fr. peri- + G. neuron, nerve]
Farlex Partner Medical Dictionary © Farlex 2012

perineurium

(pĕr′ə-no͝or′ē-əm, -nyo͝or′-)
n. pl. peri·neuria (-no͝or′ē-ə, -nyo͝or′-)
The sheath of connective tissue enclosing a bundle of nerve fibers.

per′i·neu′ri·al adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

per·i·neu·ri·um

, pl. perineuria (per'i-nūr'ē-ŭm, -ă) [TA]
One of the supporting structures of peripheral nerve trunks, consisting of layers of flattened cells and collagenous connective tissue, which surround the nerve fasciculi and form the major diffusion barrier within the nerve; with the endoneurium and epineurium, composes the peripheral nerve stroma.
[L. fr. peri- + G. neuron, nerve]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

perineurium

A sheath of connective tissue surrounding and separating nerve fibre bundles.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005