Hypoblast
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| Hypoblast | |
|---|---|
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| Section through the embryo. (Hypoblast visible but not labeled.) | |
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| "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.
[edit] References
- ^ UNSW Embryology- Glossary H
- ^ Moore, K. L., and Persaud, T. V. N. (2003). The Developing Human: Clinically Oriented Embryology. 7th Ed. Philadelphia: Elsevier. ISBN 0-7216-9412-8.
[edit] External links
- http://www.embryology.ch/allemand/iperiodembry/carnegie02.html
- http://www.med.umich.edu/lrc/coursepages/M1/embryology/embryo/04secondweek.htm
- http://isc.temple.edu/marino/embryology/EMBII97/sld005.htm
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