Fetal Circulation changes
Terms
undefined, object
copy deck
- How is circulation different in the fetus compared to adult?
-
-Blood is shunted around liver
-Blood shunts from R/L in heart - What vessel carries O2Rich blood to the fetus?
- Umbilical vein
- What shunts blood around the liver? What does it carry it to?
- Ductus venosus - to IVC
- What shunts the blood from R/L atrium?
- Foramen ovale
- What blood goes through Foramen ovale?
- That from IVC
- Where does blood from SVC go?
- Through the Ductus Arteriosus
- What does the Ductus arteriosus connect?
- The pulmonary trunk and Aorta
- What takes deoxygenated blood back to the placenta?
- Umbilical arteries
- What does the Ductus venosus become at birth?
- Ligamentum venosum
- What does foramen ovale become?
- Fossa ovalis
- What does the Ductus Arteriosus become?
- Ligamentum arteriosum
- What major changes occur in fetal circulation at birth?
-
-Shunts close
-Pulmonar circulation starts
-Pressure on Left > Right
-Umbilical vessels obliterate -
What is obliterated umbilical
-Vein
-Artery -
Vein = ligamentum Teres
Artery = Medial umbilical ligaments