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(A,B) Longitudinal sections of the optic nerves show anterior part of the optic nerve sheath and its cut region of the sheath.
(A) Arrows indicate the two cut edges of the sheath. Abbreviations: A = Arachnoid; D = Dura; N = Ciliary nerve.
(B) Shows the cut part of the sheath (black arrow) and the part filled by a loose connective tissue (white arrow).
