未受损伤

You're lucky to escape with a whole skin.

你未受损而逃脱, 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.

成年猫脊髓部分根传入纤维损后，其角靶区内NGF表显增加，可能诱导未受损根——备用根纤维在脊髓内侧枝出芽一个重要因素。