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inner sheath of optic nerve

 

Definition: the innermost sheath around the optic nerve, continuous with the leptomeninges (pia-arachnoid) and including a cerebrospinal fluid-filled intervaginal space, continuous with the subarachnoid space.

Synonym(s): vagina interna nervi opticiTA, internal sheath of optic nerve

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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