second nerve

Second, according to the characteristic of the instantaneous change of action potential accompanied by the nerve impulse, we use H-H equation to describe such change, and conduct simulation combined with SR theory.

然后根据产生神经冲动时动作电位全或无式瞬时快速变化的特点，采用H-H方程作为描述这种变化的神经元模型，结合随机共振理论进行了仿真研究。

The crista infrazygomatica is a arc structure, suggesting that maxillary third molar tooth and second molar tooth should be a marker for block anesthesia of naterior palatine nerve through sphenopalatine foramen.

颧下嵴为一弧形结构，提示临床经腭大孔进行腭前神经阻滞麻醉时，应以上颌第二磨牙和第三磨牙为标志；

The second your eyes flutter open, light shoots down the optic nerve andthe brain's biological clock.

当你的眼睛微微睁开的时侯, 光线投射到你视神经,同时刺激大脑的生物钟,使大脑产生多种荷尔蒙激素.

Second toe Transplantation Combined with Basilic Vein-cutaneous Nerve Nutrient Vessels Pedicled Flaps for Reconstruction of Thumb ⅲ_B Defect

趾移植联合贵要静脉-皮神经营养血管远端蒂皮瓣与修复拇指ⅢB缺损

Conclusion Second toe transplantation combined with basilic vein-cutaneous nerve nutrient vessels pedicled forearm flaps is a good method for reconstruction of thumb ⅲ_B defect with the advantages such as the reliable blood supply and the easy operation.

结论趾移植联合前臂贵要静脉-皮神经营养血管皮瓣是修复拇指ⅢB缺损的良好方法，具有血运可靠，易操作等优点。