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单词 prechordal
释义

prechordal

/priːˈkɔːdl/
adjective
1 Embryology and Anatomy. Situated or occurring in front of the anterior end of the notochord.
2 Biology. Occurring prior to the evolution of the notochord or of the chordates; lacking a notochord. Compare prechordate rare.

Origin

Late 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. From pre- + chorda + -al.

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更新时间:2024/9/23 20:11:07