Final answer:
The placenta is the structure of the embryo that develops and makes contact with the uterine wall, serving as a crucial connection between the embryo and the mother.
Explanation:
The structure of the embryo that develops and makes contact with the uterine wall is known as the placenta. The placenta is an organ that allows the exchange of nutrients between the embryo and the mother, serving as a vital connection point. It forms from the chorion and works in conjunction with the umbilical cord to support the developing fetus.
Learn more about Embryonic development and the role of the placenta here:
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