Physiology
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Boundless Anatomy and Physiology
Human Development and Pregnancy
Third Week of Development
Physiology Textbooks Boundless Anatomy and Physiology Human Development and Pregnancy Third Week of Development
Physiology Textbooks Boundless Anatomy and Physiology Human Development and Pregnancy
Physiology Textbooks Boundless Anatomy and Physiology
Physiology Textbooks
Physiology
Concept Version 13
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Gastrulation

Gastrulation

Gastrulation

Formation of the three primary germ layers occurs during the first two weeks of development. The embryo at this stage is only a few millimeters in length.

This is a diagram of the formation of the three primary germ layers—ectoderm, mesoderm, and endoderm—that occurs during the first two weeks of development. The embryo at this stage is only a few millimeters in length.

Source

    Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:

    "Germ Layers."
    http://openstaxcollege.org Open Stax College CC BY 3.0.

Related Terms

  • somite
  • gastrulation
  • notochord
  • epiboly
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