. A practical treatise on medical diagnosis for students and physicians . Paralysis of the arytenoideus transversus inphonation. (Gottstein.) Paralysis of the thyro-arytenoideus iuternusin phonation. (Gottstein.) ■ Sometimes the arytenoideus transversus alone is affected. Then thereis hoarseness or aphonia. The anterior portions of the cords come togetherin phonation, but the posterior portions do not, leaving a triangular open-ing posteriorly. (See Fig. 341.) In other cases the thyro-arytenoideusinternus alone is affected. There is then dysphonia or aphonia, as before,but the cords come toget
. A practical treatise on medical diagnosis for students and physicians . Paralysis of the arytenoideus transversus inphonation. (Gottstein.) Paralysis of the thyro-arytenoideus iuternusin phonation. (Gottstein.) ■ Sometimes the arytenoideus transversus alone is affected. Then thereis hoarseness or aphonia. The anterior portions of the cords come togetherin phonation, but the posterior portions do not, leaving a triangular open-ing posteriorly. (See Fig. 341.) In other cases the thyro-arytenoideusinternus alone is affected. There is then dysphonia or aphonia, as before,but the cords come together at both extremities and remain apart in themiddle, forming an oval opening. (See Fig. 342.) BILATERAL LAEYNGEAL PABALYSIS. 871 Causal Disease. Tliese paralyses occur in hysteria, catarrh, orsevere over-strain of the voice. 3. Paralysis of the Openers of the Glottis, or Abductors of theCords. The muscle atlcctcd is the crico-arytcuoideus posticus ; the nerveis the recurrent laryngeal. Sy:miTOMs, When one side is affected, the res])iration is free, but thereis stri
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