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。

METHODS : Isolated guinea pig tracheae were used .

方法：采用豚鼠 气管 条离体 实验。

After implanted in the SD rat 's body for 12 weeks the acellular tracheae matrix showed compatibility with surrounding tissue and maintained ideal architecture with out local inflammation .

植入体内12周后与周围组织相容较好， 未见 明显 管腔 塌陷及炎性反应。

The tracheae inner surface was also observed by scanning electron microscope .

扫描电镜下观察 气管 壁表面结构。

Structure of the tracheae intima of the black cutworm Agrotis Ypsilon

小地老虎 气管内膜的构造

The tracheae of the larvae of Argidae ( Hymenoptera ) function as lungs .

膜翅目叶蜂科幼虫的 气管具有肺功能。

Objective : To obtain the acellular matrix from tracheae of rabbits and Sprague-Dawley ( SD ) rats acted as tubular scaffold for salivary gland organoid tissue engineering study .

目的：制作脱细胞 气管 基质，为组织工程化人工涎腺样组织的体外构建研究提供 天然 衍生 生物导管支架材料。

This article reported on the use value of chest coronary CT enhancement scanning in 17 cases . The results obtained in 16 of the cases were as good as those achieved by routine tomography . The scanning can fully show tracheae and the main bronchus .

对17例胸部冠状面CT增强扫描的应用价值作了介绍，其中16例获得良好结果，与常规体层摄影相似，能 使 气管、主支气管完整地显示。

The parameters were obtained by fitting the experimental data to the computational results of the pressure-volume relation of tracheae .

由拟合 气管p-V关系的实验数据和计算结果得到了 肌肉 的 材料参数。

Conclusion : Acellular tracheae ACT made by our laboratory could be used as scaffold in the study of tissue engineering artificial salivary gland organoid .

结论：脱细胞 气管 基质 材料是一 种细胞 生物 相容性 良好的支架材料，可用于组织工程化涎腺样组织体外构建的实验研究。

Effects of As_2O_3 MNNG and B ( a ) P on Epithelia of Human Fetal Tracheae and Rat Tracheae in Organ Culture

As2O3、 MNNG和B（a）P对人胎儿及大鼠气管上皮的 致癌 前 病变作用

OBJECTIVE : To study the tachyphylaxis after pseudo ephedrine and ephedrine crossly used on isolated guinea pig tracheae .

目的：研究交叉应用伪麻黄碱和麻黄碱后，豚鼠 气管 条的快速耐受 作用。