An appropriate-size tube is chosen to fit the trachea . 选用与气管大小相仿的管子。
The trachea in some patients is difficult or impossible to intubate under any circumstances . 有的病人的气管在任何情况下都是很难、或根本不可能插管的。
Removal of bap from the trachea was prevented by fixing the implanted pellet within the wall of the airway . 把灌入的药丸固定在气管壁中，能防止Bap从气管中被清除出去。
In the trachea and large branch; some longitudinal segments of the living fluid travel at greater rates than others . 在气管和大支气管中，敷射液体的某些纵向节段的迁动速率比其他部分快。
The spiracles are guarded by bristles which aid in filtering dust and other foreign matter from the air before it enters the tracheae . 气门由刚毛保护，这种叫毛在空气进入气门以前，帮助过滤空气中的灰尘和其他异物。
Bioassays on the skin, subcutaneous tissue, cervix, and trachea of experimental animals have shown that particulate matter of urban air can be carcinogenic in the intact animal . 对实验动物的皮肤、皮下组织、颈和气管的生物鉴定表明，城市空气中的颗粒物质对健康动物可能是致癌的。
Clinical application of cervical trachea sleeve - resection 颈段气管袖状切除的临床应用
The classification and evolution of trachea in gruidae birds 鹤科鸟类的系统分类和气管进化
They may even slip down to the trachea 此外，异物亦可能滑入气道。
Pseudostratified ciliated columnar epithelium from the trachea 气管表面的假复层纤毛柱状上皮。
