Epineurial-perineurial neurorrhaphy. A, Epineurium has been excised and retracted. Suture has been placed through epineurium, near large fascicle at periphery of nerve, and then through perineurium of fascicle. B, Suture passed through epineurium of matching fascicle on opposite side of cut surface of nerve, and then out through epineurium. C, Repair completed, after suturing other suitably matched fascicles.