ALZHEIMER DISEASE
\ˈaltsa͡ɪmə dɪzˈiːz], \ˈaltsaɪmə dɪzˈiːz], \ˈa_l_t_s_aɪ_m_ə d_ɪ_z_ˈiː_z]\
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A degenerative disease of the brain characterized by the insidious onset of dementia. Impairment of memory, judgement, attention span, and problem solving skills are followed by severe APRAXIAS and a global loss of cognitive abilities. The condition primarily occurs after age 60, and is marked pathologically by severe cortical atrophy and the triad of SENILE PLAQUES; NEUROFIBRILLARY TANGLES; and NEUROPIL THREADS. (From Adams et al., Principles of Neurology, 6th ed, pp1049-57)
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Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.