Purpose To observe exogenous epidermal growth factor (EGF) influence upon sensory neurons axotomy induced and change ultra structure of sensory.
目的应用外源性表皮生长因子(EGF)观察神经损伤后对背根神经节感觉神经元超微结构改变的影响。
Objective to explore the expression of brain derived neurotrophic factor (BDNF) and neurotrophin 3 (nt 3) in dorsal root ganglion (DRG) following peripheral and central axotomy.