Definition of notochord in English:

notochord

noun ˈnəʊtə(ʊ)kɔːdˈnōdəˌkôrd

Zoology

A cartilaginous skeletal rod supporting the body in all embryonic and some adult chordate animals.
〔动〕脊索
Example sentencesExamples
- They all have, at some embryonic stage, a notochord, flanked by muscle, and a dorsal neural tube.
- In the evolution of vertebrates, long bodies with continuously flexible notochords and segmental muscles existed before the appearance of segmental vertebrae.
- Moreover, these ectopic neural tubes were patterned appropriately with respect to the notochord and dorsal ectoderm.
- In those chordates which lack bone, muscles work against the notochord to move the animal.
- Let us review the fundamental features of the vertebrate body as context for notochords and backbones.

Origin

Mid 19th century: from Greek nōton 'back' + chord².

Definition of notochord in US English:

notochord

nounˈnōdəˌkôrd

Zoology

A cartilaginous skeletal rod supporting the body in all embryonic and some adult chordate animals.
〔动〕脊索
Example sentencesExamples
- Let us review the fundamental features of the vertebrate body as context for notochords and backbones.
- They all have, at some embryonic stage, a notochord, flanked by muscle, and a dorsal neural tube.
- In those chordates which lack bone, muscles work against the notochord to move the animal.
- Moreover, these ectopic neural tubes were patterned appropriately with respect to the notochord and dorsal ectoderm.
- In the evolution of vertebrates, long bodies with continuously flexible notochords and segmental muscles existed before the appearance of segmental vertebrae.

Origin

Mid 19th century: from Greek nōton ‘back’ + chord.

词汇	notochord
释义	Definition of notochord in English: notochord noun ˈnəʊtə(ʊ)kɔːdˈnōdəˌkôrd Zoology A cartilaginous skeletal rod supporting the body in all embryonic and some adult chordate animals. 〔动〕脊索 Example sentencesExamples They all have, at some embryonic stage, a notochord, flanked by muscle, and a dorsal neural tube. In the evolution of vertebrates, long bodies with continuously flexible notochords and segmental muscles existed before the appearance of segmental vertebrae. Moreover, these ectopic neural tubes were patterned appropriately with respect to the notochord and dorsal ectoderm. In those chordates which lack bone, muscles work against the notochord to move the animal. Let us review the fundamental features of the vertebrate body as context for notochords and backbones. Origin Mid 19th century: from Greek nōton 'back' + chord². Definition of notochord in US English: notochord nounˈnōdəˌkôrd Zoology A cartilaginous skeletal rod supporting the body in all embryonic and some adult chordate animals. 〔动〕脊索 Example sentencesExamples Let us review the fundamental features of the vertebrate body as context for notochords and backbones. They all have, at some embryonic stage, a notochord, flanked by muscle, and a dorsal neural tube. In those chordates which lack bone, muscles work against the notochord to move the animal. Moreover, these ectopic neural tubes were patterned appropriately with respect to the notochord and dorsal ectoderm. In the evolution of vertebrates, long bodies with continuously flexible notochords and segmental muscles existed before the appearance of segmental vertebrae. Origin Mid 19th century: from Greek nōton ‘back’ + chord.
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