1·IEL of bronchia and tracheas distributed in bronchia mucosal epithelium and in tracheas mucosal epithelium, especially in bifurcation of tracheas.
猪气管和支气管黏膜上皮之间都有IEL分布，尤其以气管叉处为多。
2·Objective To discuss the measure to reduce the anesthetic risk for the tumor patients with bronchia asthma.
目的探讨降低合并支气管哮喘肿瘤患者麻醉风险的措施。