Fig. 1
From: Sex differences in placental structure and gene expression in ICR mice during embryonic development

Placental development between female and male ICR mice. Representative images of developing placenta from embryonic day (E) 8.5 to near birth at E18.5. Dotted lines indicate the borders between the maternal decidua (DEC), junctional zone (JZ), and labyrinth (LAB). Scale bar: 500 μm.