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What is decidua?...

What is decidua?

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**Step-by-Step Solution:** 1. **Definition of Decidua**: Decidua is a specialized structure formed from the mucosal lining of the uterus, specifically the endometrium. 2. **Formation During Pregnancy**: The decidua develops in response to pregnancy. It is the modified endometrial lining that supports the implantation and growth of the embryo. 3. **Components Associated with Decidua**: During pregnancy, the decidua houses important structures such as the umbilical cord, maternal placenta, and fetal placenta. These components are essential for the nourishment and support of the developing fetus. ...
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