Dictionary
per•i•neu•ri•um
Pronunciation: (per"u-noor'ē-um, -nyoor'-), [key]—
n.,
—pl. -neu•ri•aPronunciation: (-noor'ē-u, -nyoor'-). [key]
Anat.
the sheath of connective tissue that encloses a bundle of nerve fibers.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.