Figure 2From: Placental mesenchymal dysplasia, a case of intrauterine sudden death of fetus with rupture of cirsoid periumbilical chorionic vesselsTransabdominal ultrasound study. Placental parenchyma (asterisk) and dilated subchorionic vessels (arrows) at 35 weeks' gestation. These vessels are up to 2.5 centimeters in diameter.Back to article page