Scanning electron microscopy of corrosion casts of the optic nerve microcirculation in dogs |
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| Authors: | D E Brooks D A Samuelson K N Gelatt P J Smith |
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| Institution: | Department of Urban Practice, College of Veterinary Medicine, University of Tennessee, Knoxville 37901-1071. |
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| Abstract: | Scanning electron microscopy of vascular corrosion casts of the optic nerve region in normal and glaucomatous Beagles demonstrated that the blood supply to the laminar optic nerve is derived from short posterior ciliary arteries, cilioretinal arteries, and longitudinal pial vessels. The short posterior ciliary arteries formed a ring of striated pillars around the scleral canal. The central retinal artery was not present in the dog. Differences between the casts in normal and glaucomatous dogs were not detected. |
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