Fig. 4

TEM images of the ultrastructure of syncytiotrophoblasts (A) and cytotrophoblasts (C-E) chorionic villi tissues of control group, and syncytiotrophoblasts (B, F) and cytotrophoblasts (G) in treatment A group. Scale bar: 2 µm. ER: endoplasmic reticulum; M: mitochondria; C: cytotrophoblasts; LD: lipid droplet; N: nucleolus; S: syncytiotrophoblasts; V: villi; R: ribosome