epineurium

== English == === Etymology === From New Latin epineurium, from Ancient Greek ἐπι- (epi-, “upon”) + νεῦρον (neûron, “nerve”). === Noun === epineurium (plural epineuriums or epineuria) (anatomy) The connective tissue framework and sheath of a nerve which bind together the nerve bundles, each of which has its own special sheath, or perineurium; The outermost layer of dense irregular connective tissue surrounding a peripheral nerve. ==== Derived terms ====