Fasciculus gracilis薄束Ventral spinocerebellar tract脊髓小脑腹侧(前)束Fasciculus cuneatus楔束Ventrolateral vestibulospinal tract前庭脊髓腹外侧束Fasciculus interfascicularis束间束Sulcomarginal fasciculus and cerebellospinal tract.灰质:呈“H”形,有前角(柱)、后角(柱)及前后、角间的灰质连合。脊髓中央管将横行的灰质连合分为前 ......