The structure which provides vascular connection between the fetus and uterus is called __________.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the structure that provides a vascular connection between the fetus and the uterus.

2. **Identifying the Function**: The vascular connection is crucial for the exchange of nutrients, gases, and waste products between the mother and the fetus during pregnancy.

3. **Recognizing the Structure**: The structure responsible for this connection is known as the placenta.

4. **Explaining the Role of the Placenta**: The placenta develops in the uterus during pregnancy and attaches to the uterine wall. It connects to the fetus through the umbilical cord.

5. **Summarizing the Importance**: The placenta serves as the medium for the exchange of food, water, and gases, ensuring the fetus receives the necessary nutrients and oxygen while also removing waste products.

6. **Final Answer**: Therefore, the structure that provides vascular connection between the fetus and uterus is called the **placenta**.

---