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- Performation of surgical procedures anterior to ethmoid bulla can avoid risks of the other models, therefore, endoscopic frontal sinusotomy in the route anterior to ethmoid bulla is a safe model. 结论通过鼻内镜对额窦开口及周围解剖结构的观察，认为星状裂作为恒定的解剖标志是识别额窦开口的关键区域。筛泡前径路是鼻内镜下额窦开放的安全入路，能避免其他径路存在的某些风险。
- simple external frontal sinusotomy 鼻外额窦单纯切开术
- simple intranasal frontal sinusotomy 鼻内额窦单纯切开术
- radical external frontal sinusotomy 鼻外窦根治术
- Frontal sinusotomy by intranasal approach 鼻内进路额窦切开术
- Frontal sinusotomy with trephine 额窦切开术用环钻
- Situated anterior to the frontal bone. 前额骨的位于额骨前部的
- frontal sinusotomy 额窦切开术
- simple frontal sinusotomy 额窦单纯切开术
- Full frontal anarchy is his cry. 他鼓吹的是不折不扣的无政府主义。
- Of or relating to the forehead or frontal bone. 前额与前额或额骨有关的或额骨的
- Of or relating to the frontal plane. 正面的正面图的或与正面图有关的
- An ornamental border for a frontal. 额前饰带带有装饰性边的额前饰物
- The enemy made a frontal attack on our troops. 敌人对我们的部队发动了一次正面的进攻。
- Soft frontal lighting smooths over form. 软正面照明平滑的形式。
- Weather fronts are bound up with a frontal cyclone. 天气的锋面和锋面气旋密切相关。
- Sally now resolved to brace up and risk a frontal attack. 于是萨利决定鼓足勇气，冒险正面进攻。
- After days of inactivity, the enemy finally showed its teeth by a frontal attack on our position. 几天没动静之后，敌人终于龇牙咧嘴地向我们的阵地发动了正面的进攻。
- The battle plan for the frontal assault had been completed. 就在正面进攻的作战方案已经准备就绪。
- The point in the skull where the nasal and frontal bones unite. 鼻根点头盖骨中鼻骨和前额骨相连接的那点
