notochord
pronunciation
How to pronounce notochord in British English:
UK ['nəʊtəˌkɔ:d]
How to pronounce notochord in American English:
US ['noʊtəˌkɔd]
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- Noun:
- 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
Word Origin
- notochord (n.)
- 1848, coined in English by English anatomist Sir Richard Owen (1804-1892) from chord + comb. form of Greek noton "back," from PIE *not- "buttock, back" (cognates: Latin natis "buttock," sopurce of Italian, Spanish nalga, Old French nache "buttock, butt").
Example
- 1. Petromyzontidae lack centra and have a persistent notochord .
- 2. Comprises true vertebrates and animals having a notochord .
- 3. Fishlike animals having a notochord rather than a true spinal column .
- 4. Study suggests possible role of embryonic cells from the notochord of dogs to regenerate disc cartilage .
- 5. We also give the computer simulation method of notochord development in the african frog xenopus laevis .