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aphonia caused by spasmodic contraction of the laryngeal adductor muscles provoked by attempted phonation.
Aphonia due to spasm of the vocal muscles, esp. that initiated by efforts to speak.
See also: aphonia
spas·tic a·pho·ni·a(spastik ă-fōnē-ă)
Speech disorder due to spasmodic contraction of laryngeal adductor muscles.