| dysphonia spastica | A spasmodic contraction of the intrinsic muscles of the larynx excited by attempted phonation, producing either adductor or abductor subtypes caused by central nervous system disease. A localised form of movement disorder. Synonym: phonic spasm, spastic dysphonia. (05 Mar 2000) |
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| torticollis spastica | Stiff neck due to spasm of the neck muscles. Synonym: intermittent torticollis. (05 Mar 2000) |
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| spasmodic dysphonia | Involves the muscles of the throat that control speech. Also called spastic dysphonia or laryngeal dystonia, it causes strained and difficult speaking or breathy and effortful speech. (12 Dec 1998) |
| spastic dysphonia | A spasmodic contraction of the intrinsic muscles of the larynx excited by attempted phonation, producing either adductor or abductor subtypes caused by central nervous system disease. A localised form of movement disorder. Synonym: phonic spasm, spastic dysphonia. (05 Mar 2000) |
| dysphonia | Altered voice production. Origin: dys-+ G. Phone, voice Dysphonia plicae ventricularis, phonation with the ventricular bands rather than with the vocal cords. (05 Mar 2000) |
| dysphonia, spasmodic | Involves the muscles of the throat that control speech. Also called spastic dysphonia or laryngeal dystonia, it causes strained and difficult speaking or breathy and effortful speech. (12 Dec 1998) |