[Contribution to the study of the sphincter of the ductus venosus in the fetus at term].
D002319:Cardiovascular System / Q000196:embryology*; D005260:Female; D005333:Fetus / Q000502:physiology*; D006801:Humans; D047929:Term Birth; D014680:Veins
CARDIOVASCULAR SYSTEM/embryology; FETUS/physiology