| 释义 |
inner sheath of optic nerve inner sheath of optic nerve [TA] 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 optici [TA], internal sheath of optic nerve |