Template:Windle1940 table2
From Embryology
Age in days | 8 | 10 | 17 | 28 |
---|---|---|---|---|
Maternal tissue: | ||||
Endothelium | + | - | - | - |
Connective | + | - | - | - |
Epithelium | - | - | - | - |
Fetal tissue: | ||||
Chorion | + | + | + | - |
Mesenchyme | + | + | - | - |
Endothelium | + | + | + | + |