[Trophoblast in villi of the early human chorion according to the data of optico-structural analysis and electron microscopy]
[Article in
Russian]
- PMID: 3248055
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[Trophoblast in villi of the early human chorion according to the data of optico-structural analysis and electron microscopy]
[Article in
Russian]
Arkh Anat Gistol Embriol.
1988 Dec.
Abstract
Presence of nuclei with tetraploid content of DNA in syncytiotrophoblast of the early chorion has been demonstrated. Before 8 weeks of pregnancy their content makes 31% and then it drops up to 26%. At this age certain severe changes are revealed in texture characteristics of the nucleus--asymmetry and kurtosis of chromatin distribution. Possible pathways of ultrastructural rearrangements in epithelium of the early chorion are discussed.
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