all voice sounds are made: the two horns at the ton, represent the upper extremities of the thyroid cartilage: the tubes up and down, and transverse, are blood-vessels: beware of having anything tight around the neck, also of bending the 23. Here is a horizontal view of the Glottis: N, F, are the arytenoid cartilages, connected with the chordæ vocales, (vocal cords, or ligaments,) T, V, stretching across from the top of the arytenoid to the point of the thyroid cartilage: these cords can be elongated, and enlarged to produce lower sounds, and contracted and diminished for higher ones: and, at the same time, separated from each other, and allowing more condensed air to pass for the former purposes; or brought nearer together, to favor the latter: there are a greet many muscles attached to the larynx, to give variety to the modifications of voice in peech and song |