目的探讨中枢支和外周支切断对背根节(DRG)脑源性神经营养因子(BDNF)和神经营养因子(NT - 3)表达的影响。

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.

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每天吸40支烟的男性在中风时，其脑岛部有一个位于大脑深部的2.5 cm的愉快中枢被破坏。

The man, who smoked 40 cigarettes a day, had his insula, a 2.5cm pleasure centre located deep within the brain, damaged in the stroke.

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