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The chorion is developed from the trophoblast layer of the blastocyst, which is the early structure formed after fertilization. As pregnancy progresses, the chorion contributes to the formation of the placenta, specifically by interacting with the maternal decidua to establish nutrient exchange and support fetal development. The placenta acts as a critical interface for maternal-fetal exchange, providing oxygen and nutrients while removing waste.
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The extraembryonic membrane that forms the fetal portion of the placenta is the?
The chorion.
Which blastocyst structure becomes the chorion and cooperates with uterine tissues to perform the placenta?
trophoblast
What portion of the placenta is from the fetus?
chorion
The allantois membrane and what form the placenta?
chorion
What is the membrane that forms the embryonic side of the placenta?
The placenta is completely formed by 10 weeks, by the joining of the decidua basalis (maternal side) and chorionic villi (fetal side). The chorion and amnion are the placental membranes. The Chorion is the membrane furthest from the embryo, and the amnion in the inner layer that is closest to the embryo.
The allantois membrane and which of these form the placenta?
The allantois membrane and the chorion form the placenta in mammals. The chorion is the outermost fetal membrane that encases the embryo and later fuses with the maternal tissue to form the placenta.
The blank develops into the fetal portion of the placenta?
The chorion develops into the fetal portion of the placenta. It plays a crucial role in nutrient and gas exchange between the mother and the fetus during pregnancy.
What are the three layer of membrane that make up the placenta?
Allantois, amnion, and chorion
What is the tissue origin of the placenta?
from the chorion frondosum of the fetus and the decidua basalis of the mother
What is the difference between chorion and trophoblast?
The chorion is the outermost membrane surrounding the embryo, while the trophoblast is the outer layer of cells of the blastocyst responsible for implantation and placenta formation in early pregnancy. Specifically, the trophoblast gives rise to the chorion during embryonic development.
What part of the egg acts as the placenta in mammals?
The allantois, yolk sac and part of chorion.
What part of the chicken egg acts as placenta in mammals?
The allantois, yolk sac and part of chorion.
