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se'nile mac'ular degenera'tion

a type of macular degeneration that is one of the leading causes of blindness in the elderly and in which tiny blood vessels grow into the macula of the retina, obscuring vision. Abbr.: SMD

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

senile dementiasenility


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