- inner sheath of optic nerve
- internal sheath of optic nerve vagina interna nervi optici.
Medical dictionary. 2011.
Medical dictionary. 2011.
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
Optic disc — Interior of posterior half of bulb of left eye. The veins are darker in appearance than the arteries … Wikipedia
Nerve fiber layer — Section of retina. (Stratum opticum labeled at right, second from the top.) … Wikipedia
Optic neuropathy — Classification and external resources ICD 10 H46 The optic nerve contains axons of nerve cells that emerge from the retina, leave the eye at the optic disc, and go to the visual cortex where input from the eye is processed into vision. There are… … Wikipedia
Inner limiting membrane — [[Image: |250px|]] Section of retina. (Membrana limitans interna labeled at right, at top … Wikipedia
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
Optic cup (anatomical) — The optic cup is the white, cup like area in the center of the optic disc.[1] The ratio of the size of the optic cup to the optic disc (or cup to disc ratio) is measured to diagnose glaucoma. References ^ Algazi VR, Keltner JL, Johnson CA… … Wikipedia
Vagus nerve — Nerve: Vagus nerve Plan of upper portions of glossopharyngeal, vagus, and accessory nerves. Course … Wikipedia
Accessory nerve — Nerve: Accessory nerve Plan of upper portions of glossopharyngeal, vagus, and accessory nerves … Wikipedia
Vagina — The muscular canal extending from the cervix to the outside of the body. It is usually six to seven inches in length, and its walls are lined with mucus membrane. It includes two vaultlike structures, the anterior (front) vaginal fornix and the… … Medical dictionary