During pregnancy, the fetal membranes composed of the amnion and chorodecidua constitute a selective barrier separating two distinct environments, maternal and fetal. These tissues have the function of delimiting the amniotic cavity. Their histological complexity gives them physical, mechanical, and immunological properties to protect the fetus. Although the study of the amnion, chorion, and decidua separately provides knowledge about the functions of the fetal membranes, the protocol we describe in this chapter has the advantage of maintaining the biological and functional complexity of these tissues. In addition, this experimental model allows the researcher to recreate various pathological scenarios because this model allows for differential stimulation of the amnion or choriodecidua.
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