fibrous sheath of optic nerve
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Optic neuritis — Classification and external resources ICD 10 H46, G44.848 ICD 9 377.30 … 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
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
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
Fibrous tunic of eyeball — Horizontal section of the eyeball. (Cornea labeled at top, sclera labeled at center right.) Latin tunica fibrosa bulbi, tunica fibrosa oculi Gray s … Wikipedia
Accessory nerve — Nerve: Accessory nerve Plan of upper portions of glossopharyngeal, vagus, and accessory nerves … Wikipedia
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
Peripheral nerve — This article is about the part of the nervous system. For other uses, see nerve (disambiguation). Nerves (yellow) A peripheral nerve, or simply nerve, is an enclosed, cable like bundle of peripheral axons (the long, slender projections of… … 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
