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| 脊索 | |||
| 脊髓 (外包被膜，位于椎管中。脊髓呈圆柱状，前后稍扁，上端在枕骨大孔处与延髓相连，下端至第1腰椎下缘水平续为终丝。脊髓全长粗细不等，有颈膨大和腰骶膨大。在脊髓横断面上，白质位于周边，灰质位于中央,内有中央管) | |||
| 脊髓 | |||
| English thesaurus | |||
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| sp cd | |||
| spinal cord: 34 phrases in 6 subjects |
| Anatomy | 2 |
| Life sciences | 1 |
| Nursing | 7 |
| Sports | 2 |
| Surgery | 21 |
| Technology | 1 |
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