epineurial ep·i·neu·ri·al (ěp'ə-n&oobreve;r'ē-əl, -ny&oobreve;r'-)
adj.
Of, relating to, or characteristic of the epineurium.
epineurium ep·i·neu·ri·um (ěp'ə-n&oobreve;r'ē-əm, -ny&oobreve;r'-)
n. pl. ep·i·neu·ri·a (-n&oobreve;r'ē-ə, -ny&oobreve;r'-)
The thick sheath of connective tissue surrounding a nerve trunk.