Alzheimer'sdisease

Alz·hei·mer's disease (ältsʹhī-mərz, ăltsʹ-, ôltsʹ-, ôlzʹ-) n.

A disease marked by the loss of cognitive ability, generally over a period of 10 to 15 years, and associated with the development of abnormal tissues and protein deposits in the cerebral cortex.

  [After AloisAlzheimer (1864-1915), German neurologist.]

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