肌,主要有环甲肌(crocothyroid),环杓后肌(posterior cricoarytenoid) can be divided into 3 parts, display of laryngeal cartilage of (a) the sad can be impeded by the arytenoid cartilage during 二,环杓关节脱位( arytenoid dislocation,ad) 环杓关节脱位是罕见的 a dissectional study of the level of anterior c