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Definition of "gastrulation" [gas•tru•la•tion]

  • The process of forming a gastrula. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "gastrulation" in a sentence
  • "It has been an old dream of mine to substitute for the presumptive mouth region of a newt the foreign ectoderm which comes from a frog early in gastrulation, since I wanted to find out what kind of"
  • "Yet in vertebrates, as the notochord is forming during a developmental process called gastrulation, it first functions to establish the midline of the embryo."
  • "The next stage, gastrulation, is the subject of a famous bon mot by Lewis Wolpert: ‘It is not birth, marriage, or death, but gastrulation, which is truly the most important time in your life.’"
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