Table 2.
Immunostaining of collagen types I, III, IV and VI within uterus and placenta.a
| Collagen type |
||||||
|---|---|---|---|---|---|---|
| I | III | IV | VI | |||
| Endometrium | Proliferative | Stroma | + | + | − | + |
| Basement membrane | − | − | + | − | ||
| Vessel wall | + | + | + | + | ||
| Myometrium | + | + | + | + | ||
| Secretory | Stroma | + | + | + | ++ | |
| Basement membrane | − | − | + | − | ||
| Vessel wall | + | + | ++ | + | ||
| Myometrium | + | + | + | + | ||
| Decidua | Basalis | Stroma | ++ | ++ | +++ | ++ |
| Vessel wall | + | + | ++ | + | ||
| Myometrium | + | + | + | + | ||
| Giant cell | − | − | + | − | ||
| Parietalis | Stroma | ++ | ++ | + | ++ | |
| Vessel wall | + | + | + | + | ||
| Myometrium | + | + | + | + | ||
| Placenta | Villous core | + | + | + | + | |
| Fetal vessel wall | + | + | + | + | ||
| Basement membrane | − | − | + | + | ||
| Cell column | − | − | + | − | ||
a
+ Present, ++ Strong, +++ Very strong, − Absent.