gunn's sign

Medical Dictionary

Gunn's sign n.
An indication of arteriolar sclerosis observed ophthalmoscopically, in which the underlying vein at arteriovenous crossings is compressed. Also called Marcus Gunn's sign.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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