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Notochord
noun
Definitions
Noun
- 1 A flexible rodlike structure that forms the main support of the body in the lowest chordates; a primitive spine.
- 2 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 wordnet
- 3 A similar structure found in the embryos of vertebrates from which the spine develops.
Etymology
From noto- + chord.
See also for "notochord"
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