For some time it has been customary to describe the appearances of the placental villi in terms of their changing appearance as pregnancy progresses, comparing, for instance, typical first trimester ...
Figure 1. Schematic representation of the maternal-fetal interface. The human placenta is composed of chorionic villi which are lined by a trophoblast bilayer containing an inner cytotrophoblast (CTB) ...
This is a medium power view of the placenta from a woman with homozygous (SS) disease, following delivery of her baby. It shows sickled red blood cells in the maternal sinus. The placental villi are ...
In addition to cellular evidence of acute and chronic inflammation, placental histopathology can reveal vascular pathologic changes to the placenta that can severely impair the appropriate growth ...