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wyburn-mason syndrome in Medicine

Wyburn-Mason syndrome

(wībərn-māsən)
n.
  1. Arteriovenous malformation on the cerebral cortex, retinal arteriovenous angioma, and facial nevus, usually occurring in mentally retarded individuals.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.