HRP or WGA-HRP was injected in 10 rabbits into the cervical,thoracic or lumbar spinal cord unilaterally and its connection with the ventrolateral superficial area of the medulla was traced.

• 在10只家兔一侧之脊髓颈、胸或腰段内注入 HRP 或 WGA-HRP,追踪延髓腹外侧浅表区与脊髓的联系。