Decidua Basalis = Placenta

 

Decidua 

Functional Layer Of Endometrium Of Gravid Pregnant Uterus

Implantation = Decidual Reaction

Decidual Reaction On Ultrasound 

Decidua = Pregnant Endometrium

                                                                Parts Of Decidua 

Development Of Placenta 

Placenta Develops From Decidua Basalis 

Placenta

Snapshot 

Decidua Basalis = Placenta