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fetal circulation
| Term | Definition |
|---|---|
| ductus arteriosus | bypasses fetal lungs via pulm. trunk & aorta becomes ligamentum arteriosum |
| foramen ovalis | bypasses fetal lungs via R&L atrium becomes fossa ovalis |
| ductus venosus | bypasses fetal liver becomes ligamentum venosum |
| umbilical artery | 2 deoxygenated vessels fetus to mother |
| umbilical vein | oxygenated vessel from mother to fetus |