dural sheath
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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
vagina externa nervi optici — [TA] external sheath of optic nerve: the thick outer sheath of the optic nerve, continuous with the dura mater and connecting it with the sclera; called also fibrous or outer sheath of optic nerve and dural sheath … Medical dictionary
Sclera — Infobox Anatomy Name = PAGENAME Latin = GraySubject = 225 GrayPage = 1006 Caption = Schematic diagram of the human eye. |yuck Caption2 = Width = 325 Precursor = System = Artery = anterior ciliary arteries, long posterior ciliary arteries, short… … Wikipedia
Central retinal artery — Infobox Artery Name = PAGENAME Latin = arteria centralis retinae GraySubject = 146 GrayPage = 571 Caption = The ophthalmic artery and its branches. (Central retinal artery visible at center.) Caption2 = Interior of posterior half of bulb of left… … Wikipedia
eye, human — ▪ anatomy Introduction specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit The eye is protected from mechanical injury… … Universalium
arteria centralis retinae — [TA] central retinal artery: origin, ophthalmic artery; branches, superior and inferior nasal, and superior and inferior temporal; distribution, courses within dural sheath and then pierces and runs within optic nerve (extraocular part) to retina … Medical dictionary
pars extraocularis arteriae centralis retinae — [TA] extraocular part of central retinal artery: the portion of the artery outside the eyeball, coursing within the dural sheath along with the optic nerve, then piercing the nerve approximately 1.2 cm behind the eyeball, and traveling forward… … Medical dictionary
Neurofibromatosis type I — For Von Recklinghausen s disease of bone, a disorder seen with hyperparathyroidism, see osteitis fibrosa cystica. Neurofibromatosis type 1 Classification and external resources ICD 10 Q85.0 (ILDS Q85.010) ICD … Wikipedia
Cerebral venous sinus thrombosis — Classification and external resources Dural veins ICD 10 I63.6, I … Wikipedia
Internal carotid artery — Infobox Artery Name = Internal carotid artery Latin = arteria carotis interna GraySubject = 146 GrayPage = 566 Width = 250 Caption = Arteries of the neck. The internal carotid arteries arise from the common carotid arteries labeled Common caroti… … Wikipedia
