| 释义 |
no·to·chord AHD[nōʹtə-kôrd'] D.J.[ˈnəʊtəˌkɔːd]K.K.[ˈnotəˌkɔrd]n.（名词）- A flexible rodlike structure that forms the main support of the body in the lowest chordates, such as the lancelet; a primitive backbone.脊索：细胞构成的一条纵长可弯曲的杆状结构，其作用是引导产生神经板，形成躯体的支持轴
- A similar structure in embryos of higher vertebrates, from which the spinal column develops.脊索：更为高等的脊椎动物胚胎中的类似结构，脊椎骨由此发育
- Greek nōton [back] 希腊语 nōton [后背]
- chord 2chord2
no'tochordʹal adj.（形容词） |