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. 1988 Dec;95(12):69-71.

[Trophoblast in villi of the early human chorion according to the data of optico-structural analysis and electron microscopy]

[Article in Russian]
V D Novikov, S V Mashak, N T Iasakova, L L Beliaev
  • PMID: 3248055

[Trophoblast in villi of the early human chorion according to the data of optico-structural analysis and electron microscopy]

[Article in Russian]
V D Novikov et al. 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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