| a rare, usually fatal brain disorder caused by an unidentified pathogen and characterized by progressive dementia, blindness, and involuntary movements. |

Creutzfeldt-Jakob disease Creutz·feldt-Jakob disease (kroits'fělt-)
n.
A rare, usually fatal viral disease of the brain, characterized by progressive dementia and gradual loss of muscle control, that occurs most often in middle age. Also called Jakob-Creutzfeldt disease.
| Creutzfeldt-Jakob disease (kroits'fělt-yä'kôp) Pronunciation Key
A rare, usually fatal encephalopathy that occurs most often in middle age and is likely caused by a prion. It is characterized by progressive dementia and gradual loss of muscle control. The disease is named after its discoverers, German pathologist Hans Gerhard Creutzfeldt (1885-1964) and German neurologist Alfons Maria Jakob (1884-1931). |