Results NGB protein immunoreactive cells were mainly distributed in the gray matter of spinal cord, including in the ventral horn, intermediate zone and dorsal horn.

• 结果在脊髓的颈、胸、腰段,NGB免疫反应阳性细胞主要分布于脊髓灰质中,其范围包括灰质脊髓前角、中间带和后角。