128、脊索(Notochord)：人胚发育有第三周内，原结处 的细胞增殖并在上胚层之间向头端迁移，形成一条索状 结构，即称脊索，脊索可诱导外胚层形成神经板...
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split notochord syndrome 脊索裂隙综合征
notochord cells 脊索细胞
Notochord Style Keel 脊索式龙骨
notochord length 脊索长度
notochord sheath 脊索鞘
以上来源于: WordNet
N a fibrous longitudinal rod in all embryo and some adult chordate animals, immediately above the gut, that supports the body. It is replaced in adult vertebrates by the vertebral column 脊索
Right now the notochord cell between vertebra is added gradually much.
此时椎间的脊索细胞逐渐增多。
Right now notochord cell disappears, pith nucleus becomes a fiber cartilage with soft and less cell gradually.
此时脊索细胞消失，髓核逐渐成为一个软而细胞较少的纤维软骨。
The soft anatomy of conodont shows some soft tissues including eyes, notochord, nerve cord, myomeres and caudal fin.
英国古生物学家们通过牙形石动物的软体解剖学研究，发现眼睛、脊索、神经索、肌肉组织、尾鳍等软组织；
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