单词：notochord
音标：['nәutәkɒ:d] ；
n. 脊索
[医] 脊索
[医] 脊索
n. a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates
词型变化：名词复数形式 : notochords
notochord的用法和样例：
例句
用作名词(n.)
- Right now the notochord cell between vertebra is added gradually much.此时椎间的脊索细胞逐渐增多。
- When notochord organization is ceaseless and migratory, fiber annulus also increases.在脊索组织不断迁移时，纤维环亦增大。