A practical treatise on medical diagnosis : for students and physicians . Paralysis of the arytenoideus transversus in Paralysis of the thyro-arytenoideus internus phonation. (Gottstein.) in phonation. (Gottstein.) Sometimes the arytenoideus transversus alone may be affected. Thenthere is hoarseness or aphonia. The anterior portions of the cords cometogether in phonation, but the posterior portions do not, leaving atriangular opening posteriorly. (See Fig. 29.) Or, the thyro-arytenoideus internus may alone be affected. There isthen dysphonia or aphonia, as before, but the cords come together a
A practical treatise on medical diagnosis : for students and physicians . Paralysis of the arytenoideus transversus in Paralysis of the thyro-arytenoideus internus phonation. (Gottstein.) in phonation. (Gottstein.) Sometimes the arytenoideus transversus alone may be affected. Thenthere is hoarseness or aphonia. The anterior portions of the cords cometogether in phonation, but the posterior portions do not, leaving atriangular opening posteriorly. (See Fig. 29.) Or, the thyro-arytenoideus internus may alone be affected. There isthen dysphonia or aphonia, as before, but the cords come together atboth extremities and remain apart in the middle, forming an ovalopening. (See Fig. 30.) Causal disease. These paralyses occur in hysteria, catarrh, or severeoverstrain of the voice. 3. Paralysis of the Openers of the Glottis, or Abduc-tors op the Cords. The muscle affected is the crico-arytenoideusposticus, and the nerve is the recurrent laryngeal. DISEASES OF THE NOSE AND LAEYNX. 215 Symptoms. When one side is affected the respiration is free, butthere is stridor on
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