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The placenta is a unique vascular organ that receives blood supplies from both the maternal and the fetal systems and thus has two separate circulatory systems for blood: (1) the maternal-placental (uteroplacental) blood circulation, and (2) the fetal-placental (fetoplacental) blood circulation.
Special features of the fetal placental circulation ensure an uninterrupted blood flow of oxygen during fetal life and a secure cessation of flow after birth to prevent post-partum hemorrhage. Umbilical blood flow increases to keep pace with fetal growth [ 10 ].
En la placenta, el dióxido de carbono y los desechos se liberan dentro del sistema circulatorio de la madre, y el oxígeno y los nutrientes de la sangre de la madre se liberan dentro de la sangre del feto. Al nacer, el cordón umbilical se corta y el bebé ya no recibe oxígeno y nutrientes de la madre.
8 de dic. de 2021 · The placenta is unusual in having two circulations: a fetal-placental circulation through the villous trees connected to the fetus through the umbilical allantoic circulation and a maternal utero-placental supply conveying respiratory gases and nutrients.
Learn about the placenta circulation, the unique features of the prenatal circulation, and the screening and management of congenital heart disease. Explore chapters and articles from various books and journals on placenta circulation and related topics.
The placenta is a multi-functional organ that exchanges blood gases and nutrients between a mother and her developing fetus. In humans, fetal blood flows through intricate networks of vessels confined within villous trees, the branches of which are bathed in pools of maternal blood.
29 de jun. de 2020 · Introduction. The placenta delivers oxygen and nutrients to the growing fetus and removes waste products; as such, it is responsible for fetal wellbeing, maintained in the context of maternal...
