Caption Vitamin D must be transferred from the maternal blood across the layers of the human placental barrier to the foetus, as shown in this electron microscopy image. The maternal blood fills ...

The project investigated whether certain drugs could cross the blood-placental barrier in pregnant women - a group of people who are rarely included in clinical trials due to ethical and practical ...

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.

Uterine contractions produce transient decreases in blood flow to the placenta, which can lead to interruptions in gas exchange across the placental barrier. Occlusion of one or more of the ...

including the blood-placental barrier, of ZIKV are unique among Flaviviridae.” The researchers noted that their own studies in mice, and work by others, have shown that ZIKV can infect fetal ...

A new study led by Jonathan D. Santoro, MD, Director of the Neuroimmunology Program at Children's Hospital Los Angeles, shows ...

Until now, how the virus manages to cross the placenta, which nurtures the developing fetus and forms a strong barrier against microbes and chemicals that could harm the fetus, has not been clear.