trachean.气管；导管tracheal tubule小气管tracheal lipoma气管脂肪瘤tracheal matrix气管皮膜组织tracheal muscle气管肌tracheal forceps[医] 气管钳Trachea in vitro离体气管tracheal tugging气管牵引感,波特尔氏征,奥利佛氏征,波特氏征tracheal atresia气管闭锁tracheal bronchi[医] 气管延续性[额外]支气管tracheal orifice气管孔