Definition of prechordal in English:

prechordal

adjective priːˈkɔːdl

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

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

adjectivepriːˈkɔːdl

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

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

单词	prechordal
释义	Definition of prechordal in English: prechordal adjective priːˈkɔːdl 1Embryology and Anatomy. Situated or occurring in front of the anterior end of the notochord. 2Biology. Occurring prior to the evolution of the notochord or of the chordates; lacking a notochord. Compare prechordaterare. Origin Late 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. From pre- + chorda + -al. Definition of prechordal in US English: prechordal adjectivepriːˈkɔːdl 1Embryology and Anatomy. Situated or occurring in front of the anterior end of the notochord. 2Biology. Occurring prior to the evolution of the notochord or of the chordates; lacking a notochord. Compare prechordaterare. Origin Late 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. From pre- + chorda + -al.
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