Histogenesis of epicardium and coronary vessels endothelium of chick embryo on early stages of prenatal ontogenesis at normal conditions and during liver bud ablation.

Authors

  • O. Yu. Pototskaya ДЗ «Дніпропетровська медична академія МОЗ України», Ukraine

DOI:

https://doi.org/10.26641/1997-9665.2011.4.50-55

Keywords:

epicardium, coronary vessels, liver bud

Abstract

There is a close interrelationship between embryonic development of epicardium, coronary endothelium and liver, but the nature of such interrelations is still unknown. To reveal the role of liver in epicardium and coronary vessels formation we stopped its development by injection of aminoguanidine sulfate into the yolk sack of chick embryos on 14 stage of development by HH (first group) - to prevent contact between proepicardium and liver, and on 16 stage (second group) to allow contact between proepicardium and liver during a short period of time. As a result in first experimental group we observed complete absence of epicardium, deficit of volume of myocardium and endocardial structures. In second experimental group formation of epicardium has begun, but subepicardial space was devoid of mesenchymal cells; deficit of volume of myocardium and endocardial structures also was registered. Another difference was formation of coronary vessels, but their total volume was much smaller then under normal conditions. All embryos died by the end of the third (first group) and fifth (second group) day of incubation.

References

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How to Cite

Pototskaya, O. Y. (2011). Histogenesis of epicardium and coronary vessels endothelium of chick embryo on early stages of prenatal ontogenesis at normal conditions and during liver bud ablation. Морфологія / Morphologia / Morfologìâ, 5(4), 50–55. https://doi.org/10.26641/1997-9665.2011.4.50-55

Issue

Vol. 5 No. 4 (2011)

Section

Статті

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