epineurial

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

1. the dense sheath of connective tissue that surrounds the trunk of a nerve.

noun

1. a sheath of connective tissue around two or more bundles of nerve fibres

adj.

1. Of, relating to, or characteristic of the epineurium.

n. pl. ep•i•neu•ri•a (-nur′ē-ə)

1. The thick sheath of connective tissue surrounding a nerve trunk.