inner sheath of optic nerve

inner sheath of optic nerve
internal sheath of optic nerve vagina interna nervi optici.

Medical dictionary. 2011.

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  • sheath — 1. Any enveloping structure, such as the membranous covering of a muscle, nerve, or blood vessel. Any sheathlike structure. SYN: vagina (1). 2. The prepuce of male animals, especially of the horse. 3. A specially designed tu …   Medical dictionary

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  • Nerve — A bundle of fibers that uses electrical and chemical signals to transmit sensory and motor information from one body part to another. See nervous system. * * * A whitish cordlike structure composed of one or more bundles (fascicles) of myelinated …   Medical dictionary

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  • Accessory nerve — Nerve: Accessory nerve Plan of upper portions of glossopharyngeal, vagus, and accessory nerves …   Wikipedia

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