Figure 4From: Placental mesenchymal dysplasia, a case of intrauterine sudden death of fetus with rupture of cirsoid periumbilical chorionic vesselsMerged photographs of a dilated chorionic plate vessel. The smooth muscle of the dilated chorionic plate vessel has disappeared (arrow), and the vessel wall has ruptured, producing hemorrhage and the formation of a hematoma (asterisk). (hematoxylin-eosin staining (HE), objective ×1).Back to article page