lower motor neuron dysarthria

lower motor neuron dysarthria
dysarthria with severe lesions of motor nuclei of the lower pons or medulla oblongata that causes weakness or paralysis of the articulatory muscles; characteristics include a rasping, monotonous voice, and in advanced cases, shriveling and flaccidity of the tongue with laxness and tremulousness of the lips. Called also flaccid d.

Medical dictionary. 2011.

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