perineurium

noun peri·neu·ri·um \ˌper-ə-ˈnu̇r-ē-əm, -ˈnyu̇r-\

plural peri·neu·ria\-ē-ə\

Definition of PERINEURIUM

: the connective-tissue sheath that surrounds a bundle of nerve fibers

New Latin, from peri- + Greek neuron nerve — more at nerve

First Known Use: circa 1842

Medical Dictionary

noun peri·neu·ri·um \ˌper-ə-ˈn(y)u̇r-ē-əm\

plural peri·neu·ria \-ē-ə\

: the sheath of connective tissue that surrounds a bundle of nerve fibers

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