1. By auscultation, the doctor can not only learn about the changes of the phonatory organ, but also infer the pathological changes of the internal organs.

2. Articulatory inaccuracy - imprecise consonants, irregular Articulatory breakdowns, distorted vowels; Prosodic excess - Excess & equal stress, prolonged phonemes, prolonged intervals, slow rate; Phonatory -prosodic insufficiency - Harshness, monopitch, monoloudness Ataxic Dysarthria: Most Distinctive Speech Deviations

3. Arytenoid cartilage mounted on the cricoid ring, with a functioning recurrent laryngeal nerve and lateral and posterior cricoArytenoid muscles form the cricoArytenoid unit a basic functional unit critical to phonatory and sphincteric functions of the larynx