脊髓前索(anterior funiculus of the spinal cord) 脊髓侧索或外侧索(lateral funiculus of the spinal cord) 脊髓后索(posterior funiculus of the spinal cord) 窄条状增厚的室管膜,有时也称索,但非神经纤维。譬如:
spinal cord glutamate transport capacity and reduced sensitivity to riluzole in a transgenic superoxide dismutase mutant rat model of amyotrophic lateral sclerosis