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bulbar |
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bulbar /bul·bar/ (bul´ber) 1. pertaining to a bulb. 2. pertaining to or involving the medulla oblongata.
bulbar pertaining to a bulb; pertaining to or involving the medulla oblongata, as bulbar paralysis. infectious bulbar necrosis one of the several forms taken by foot abscess in sheep. See also foot abscess. infectious bulbar paralysis see aujeszky's disease. bulbar paralysis originates from the medulla oblongata. The pyramidal and extrapyramidal tracts pass from the midbrain through the medulla and are susceptible to damage by agents that operate in the area. Paralysis of this type has the characteristics of an upper motor lesion with muscle tone and local tendon reflexes retained. |
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People with bulbar involvement develop weakness and wasting of the muscles supplying the face and throat, and consequently develop problems with speech and swallowing. Acute neuromuscular respiratory failure may develop rapidly, particularly in patients with prominent bulbar signs; prolonged ventilatory support may be required (22,30,34). Primary neurologic or neuromuscular pathology occasionally results in OSA; such pathologies include Chiari malformation, syringomyelobulbia, cerebral palsy, myotonic dystrophy, Shy-Drager syndrome, acquired nonprogressive dysautonomia, olivopontocerebellar degeneration, spinal cord injury, and bulbar stroke. |
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