The placenta of the pig
- 1 January 1980
- journal article
- research article
- Published by Springer Nature in Brain Structure and Function
- Vol. 158 (2) , 179-191
- https://doi.org/10.1007/bf00315905
Abstract
The finestructural changes of the interareolar porcine placenta during pregnancy are described. After perfusion fixation of the placenta the change in the thickness of the placental barrier from day 30 to day 110 of gestation is much more evident than after immerson fixation as has been used by all former authors. The alterations are due to the indentation of both the trophoblast and uterine epithelium by their corresponding capillary-network. This indentation is limited to the lateral wall and the summit of the chorionic ridges, while at the base the trophoblast as well as the uterine epithelium remains high columnar.Keywords
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