<prompt> Abductor of vocal cord:CricothyroidCricoarytenoidPosterior cricoarytenoidLateral cricoarytenoid  <response>: INTRINSIC MUSCLES OF RESPIRATION: a Acting on vocal cords Abductors: Posterior cricoarytenoid Adductors: Lateral cricoarytenoid Interarytenoid transverse arytenoid Thyroarytenoid external pa Tensors: Cricothyroid Main tensor Vocalis internal pa of thyroarytenoid b Acting on laryngeal inlet Openers of laryngeal inlet: Thyroepiglottic pa of thyroarytenoid Closers of laryngeal inlet: Interarytenoid oblique pa. Aryepiglottic posterior oblique pa of interarytenoids 