1. The Buccinator is considered to be a part of the sphincteric muscular system involving the functions of sucking, whistling, propelling food during mastication, and voiding the buccal cavity

2. 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