In the human placenta, there are placental villi, and the surface of the villi consists of syncytiotrophoblast, also called barrier cells, that serve as the main barrier against foreign substances.

Chorionic villus sampling is a prenatal diagnostic test performed for prenatal genetic testing involving a biopsy of placental tissue between 10 to 13 weeks gestation. The tissue harvested is the ...

Using the very latest wide-bore magnetic resonance imaging (MRI) scanning equipment at the University of Nottingham experts found differences in blood flow to the placenta in healthy and pre-eclampsia ...