Syncytiotrophoblast
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| Syncytiotrophoblast | ||
|---|---|---|
| Primary chorionic villi. Diagrammatic. | ||
| Secondary chorionic villi. Diagrammatic. | ||
| Gray's | subject #6 47 | |
| Carnegie stage | 5a | |
| Days | 8 | |
| MeSH | Syncytiotrophoblasts | |
| Dorlands/Elsevier | s_32/12777200 | |
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Overview
Syncytiotrophoblasts are multinucleated cells found in the placenta of human embryos.
They are the outer syncytial layer of the trophoblasts and actively invade the uterine wall.
They form the outermost fetal component of the placenta (also known as 'syntrophoblast') and massively increase the surface area available for nutrient exchange between the mother and the fetus.
Cells from the syncytiotrophoblast secrete human chorionic gonadotropin.
Additional images
Gray12.png
Section through embryonic area of Vespertilio murinus to show the formation of the amniotic cavity. |
See also
External links
- Histology at Boston University 19908loa - "Female Reproductive System: placental villi"
- Nature (Journal) Diagram
- Musicki B, Pepe G, Albrecht E (1997). "Functional differentiation of placental syncytiotrophoblasts during baboon pregnancy: developmental expression of chorionic somatomammotropin messenger ribonucleic acid and protein levels.". J Clin Endocrinol Metab 82 (12): 4105-10. PMID 9398722. Article
- Diagram at McGill
- Syncytiotrophoblast at eMedicine Dictionary
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