spongy degeneration

Medical Dictionary

spongy degeneration n.
A rare, inherited, fatal brain disease of infancy characterized by the widespread loss of myelin from nerve sheaths and the presence of round empty spaces in the brain, giving it a spongelike appearance, and resulting in progressive paralysis, blindness, and megalencephaly. Also called Canavan's disease.

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