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单词 notochord
释义
no·to·chord (nōtə-kôrd)
n.
A flexible rodlike structure that is present in the embryos of all chordates and in the adult forms of certain groups, such as the lancelets and hagfishes. The notochord develops into the spinal column in most vertebrates.

[Greek nōton, back + CHORD2.]

noto·chordal adj.
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更新时间:2025/1/8 14:56:25