Placental Pathology and Case Studies 1 ... chorion and decidua of the extraplacental membranes, and the chorionic plate) was entirely ... The placenta showed fibrosis and "scarring" of villi, ...

Pathology & Lab Medicine. Pediatrics ... amnion, yolk sac, and allantois. The chorion has three layers: cytotrophoblastic, chorionic ... these villi are constricted due to a decreased blood supply ...

For products of conception, chorionic villi, and amniotic-fluid samples, STORK results represented the pregnancy karyotype with 100% accuracy (95% confidence intervals [CIs], 94.3 to 100, 93.2 to ...

Chorangiosis was defined as ⩾ 10 capillaries per terminal villus in ⩾ 10 villi in multiple regions of the placenta. 8 Clinical suggestion of chorioamnionitis had to be confirmed by histology.