AMYOTROPHIC LATERAL SCLEROSIS, GUAM FORM
\ˌamɪətɹˈɒfɪk lˈatəɹə͡l skləɹˈə͡ʊsɪs], \ˌamɪətɹˈɒfɪk lˈatəɹəl skləɹˈəʊsɪs], \ˌa_m_ɪ__ə_t_ɹ_ˈɒ_f_ɪ_k l_ˈa_t_ə_ɹ_əl s_k_l_ə_ɹ_ˈəʊ_s_ɪ_s]\
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A degenerative disorder affecting upper MOTOR NEURONS in the brain and lower motor neurons in the brain stem and SPINAL CORD. Disease onset is usually after the age of 50 and the process is usually fatal within 3 to 6 years. Clinical manifestations include progressive weakness, atrophy, FASCICULATION, hyperreflexia, DYSARTHRIA, dysphagia, and eventual paralysis of respiratory function. Pathologic features include the replacement of motor neurons with fibrous ASTROCYTES and atrophy of anterior SPINAL NERVE ROOTS and corticospinal tracts. (From Adams et al., Principles of Neurology, 6th ed, pp1089-94)
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Word of the day
hydromorphic
- [Greek] Structurally adapted to an aquatic environment, as organs of water plants.
Nearby Words
- amyotonia congenita
- amyotrophia
- amyotrophic
- amyotrophic lateral sclerosis
- amyotrophic lateral sclerosis with dementia
- Amyotrophic Lateral Sclerosis, Guam Form
- amyotrophic neuralgia
- amyotrophic neuralgias
- amyotrophy
- amyous
- amyris commiphora