What is placental membrane?
The placental membrane is where the mother and fetus exchange gases, nutrients, etc. The membrane forms by the syncytiotrophoblast, cytotrophoblast, embryonic connective tissue (Wharton’s jelly), and the endothelium of fetal blood vessels.
What is the definition of placenta in biology?
Placenta: A temporary organ that joins the mother and fetus, transferring oxygen and nutrients from the mother to the fetus and permitting the release of carbon dioxide and waste products from the fetus.
What is the role of the placental membrane quizlet?
To permit the exchange of oxygenated maternal blood with deoxygenated fetal blood.
What is fetal membrane?
The fetal membranes are membranes associated with the developing fetus. The two chorioamniotic membranes are the amnion and the chorion, which make up the amniotic sac that surrounds and protects the fetus. The other fetal membranes are the allantois and the secondary umbilical vesicle.
What is the function of the placenta membrane?
Placental Membrane Function. The placental membrane separates maternal blood from fetal blood. The fetal part of the placenta is known as the chorion. The maternal component of the placenta is known as the decidua basalis.
What are the layers of the placenta?
The human placental membrane is composed of three distinct layers: the amnion, the intermediate layer, and the chorion. Millions of years of evolution has perfected this membrane, making it the ideal barrier to surround and protect a growing fetus.
What is the maternal side of the placenta?
The maternal side of the placenta is the side that attaches to the uterine wall. This side looks very knobby and you can see the bumpy lobes of the placenta. Your doctor or midwife will exam this side of the placenta to ensure that the placenta is complete and that no parts of the placenta are left inside your uterus.