未受损伤

You're lucky to escape with a whole skin.

你未受损伤而逃脱, 真幸运。

After partial deafferentation of spinal cord of adult cat, the expression of NGF in dorsal horn, which is the target area of dorsal root afferent fibers, up-regulated.

成年猫脊髓部分背传入纤维损伤后，其背角靶区NGF达又明显增加，可能诱导未受损伤背——背纤维在脊髓侧枝出芽一个重要因素。