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4 Cards in this Set
- Front
- Back
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Develops from the same blastocyst that forms the fetus. |
fetal placenta or chorion frondosum |
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-develops from the maternal uterine tissue . - metabolized no. of substances and release it to the feto-maternal circulation. |
maternal placenta or decidua basalis |
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PLACENTAL PHYSIOLOGY AND FUNCTIONS: |
* Fetus entirely dependent on placenta until birth *Maternal and fetal blood kept separate by placental barrier. *protects the infant from infection and harmful substances *provides oxygen and nutrients to growing fetus and removes waste products from the fetal blood |
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3 shunts |
Ductus venosus- Highly oxygenated Bypass: liver Foramen Ovale- moves the blood to RA to LA Bypass: lungs Ductus arteriosus- used to move blood from :pulmonary artery to aorta. |
