Hypoblast

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Hypoblast
Gray21.png
Section through the embryo. (Hypoblast visible but not labeled.)
"D" points to the hypoblast.
Days 8
Precursor inner cell mass
Gives rise to endoderm
Dorlands/Elsevier h_21/12437720

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.[3]

References

  1. http://embryology.med.unsw.edu.au/Notes/Index/H.htm
  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.
  3. h_21/12437720 at Dorland's Medical Dictionary

External links



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