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Hypoblast

 
Wikipedia: Hypoblast
Hypoblast
Gray21.png
Section through the embryo. (Hypoblast visible but not labeled.)
Cell differentiation gastrula.PNG
"D" points to the hypoblast.
Days 8
Precursor inner cell mass
Gives rise to endoderm

The hypoblast is a tissue type that forms from the inner cell mass.[1] It lies beneath the epiblast and consists of small cuboidal cells.[2]

Extraembryonic endoderm (including Yolk sac) is derived from hypoblast.

References

  1. ^ UNSW Embryology- Glossary H
  2. ^ Moore, K. L., and Persaud, T. V. N. (2003). The Developing Human: Clinically Oriented Embryology. 7th Ed. Philadelphia: Elsevier. ISBN 0-7216-9412-8.

External links


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Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Hypoblast" Read more