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About: Fetal circulation     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : dbo:Embryology, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingwikidata:Q4936952anatomical structureembryology New Facet based on Instances of this Class

In humans, the circulatory system is different before and after birth. The fetal circulation is composed of the placenta, umbilical blood vessels encapsulated by the umbilical cord, heart and systemic blood vessels. A major difference between the fetal circulation and postnatal circulation is that the lungs are not used during the fetal stage resulting in the presence of shunts to move oxygenated blood and nutrients from the placenta to the fetal tissue. At birth, the start of breathing and the severance of the umbilical cord prompt various changes that quickly transforms fetal circulation into postnatal circulation.