在第二至第 四个气管环(tracheal ring)处之颈部皮肤横切2-3 公分的伤口，避免切入皮 肤过深以防造成甲状腺峡(thyroid isthmus)以及颈静脉之裂伤。
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tracheal ring culture 气管环培养
In addition, the determination of physical and chemical property of the viruses by using tracheal ring culture, virulence measurement and virus neutralization test were applied too.
用动物回归和免疫保护试验进行了毒株的致病性研究，用气管环组织培养对病毒进行理化特征测定、毒价测定与中和试验。
参考来源 - 传染性支气管炎致腺胃病变毒株变异的分子基础及我国和东南亚分离株的分子流行病学研究And bursting strength of tracheal ring was evaluated when breaken through internal pressure.
2)应用气压法测量各成年离体猪气管环在内部加压时的破裂状态,评价气管的顶破强力。
参考来源 - 成年离体猪气管生物力学的实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Airway management: realistic mouth, nose, tongue, gum, pharynx, larynx, esophagus, epiglottis, trachea and tracheal ring, can practice tracheal intubation, sputum suction, oxygen inhaling.
气道管理：现实的口，鼻，舌，齿龈，咽，喉，食道，会厌，气管和气管环，可实行气管插管，吸痰，吸氧。
Airway administering: realistic mouth, nose, tongue, gum, pharynx, larynx, esophagus, epiglottis, trachea and tracheal ring, can practice tracheal intubation, sputum suction, oxygen inhaling.
气道管理：现实的口，鼻，舌，齿龈，咽，喉，食道，会厌，气管和气管环，可实行气管插管，吸痰，吸氧。
Rid-muscle flap and ring pedicled with vessels were made of the 3rd rib and the attaching intercostal muscles, and the tracheoplasty and tracheal restoration were performed.
将第3肋骨与上下肋间肌修整成带血管蒂的肋骨肌瓣、骨肌瓣环，分别行胸内气管成型与环形替代术。
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