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From Dictionary
Related topics from BritannicaParkinson, C. Northcote
British historian, author, and formulator of "Parkinson's Law," the satiric dictum that "Work expands to fill the time available for its completion." A relatively obscure academic prior to the ...
Parkinson disease
a degenerative neurological disorder that is characterized by the onset of tremor, muscle rigidity, slowness in movement (bradykinesia), and stooped posture (postural instability). The disease was ...
Parkinson, C(yril) Northcote
British historian (b. July 30, 1909, Barnard Castle, Durham, England--d. March 9, 1993, Canterbury, Kent, England), formulated "Parkinson's Law," the oft-repeated dictum "Work expands so as to fill ...
human disease
Parkinson's disease is a motor disorder characterized by the onset of a "pill rolling" rhythmic tremor, muscle rigidity, difficulty and slowness in movement, and stooped posture. As the disease ...
nervous system disease
Parkinson disease is a progressive disorder caused by degeneration of the cells of the substantia nigra and locus ceruleus (both pigmented nuclei in the brainstem) and of their connections with the ...
drug
Parkinson disease, or paralysis agitans, is a severe progressive degenerative disease of the nerves characterized by tremor of the hands that disappears when movement is initiated. Later in the ...
dopamine
a nitrogen-containing organic compound formed as an intermediate compound from dihydroxyphenylalanine (dopa) during the metabolism of the amino acid tyrosine. It is the precursor of the hormones ...
human disease
The three neurological diseases considered in this section-Alzheimer's disease, Huntington's chorea, and Parkinson's disease-are age-related, and to varying degrees they manifest as deterioration of ...
Goldman-Rakic, Patricia Shoer
American neuroscientist (b. April 22, 1937, Salem, Mass.-d. July 31, 2003, New Haven, Conn.), provided the first comprehensive map of the frontal lobe of the human brain, a complex region responsible ...
nervous system
Dopamine is a precursor of norepinephrine that acts as a neurotransmitter at certain synapses of the brain. Disorders at these synapses have been implicated in schizophrenia and Parkinson disease. |
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