Definitions for "Parkinson's disease"
A disease causing parkinsonism, a degenerative nervous disorder; sometimes used loosely as a synonym for parkinsonism. More precisely, parkinson's disease is the term for the underlying physiological disorder and parkinsonism is the term for the set of symptoms associated with the disease. See parkinsonism.
Neurodegenerative illness caused by injury or death of the dopamine producing neurons in a region of the brain known as the substantia nigra. Symptoms include stooped posture, rhythmic tremors, slowness of voluntary movement and muscle rigidity.
A neurological disorder marked by muscular rigidity, tremors, and difficulty initiating voluntary action, which seems to be caused by dopamine depletion. go to glossary index