enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Fetal circulation - Wikipedia

    en.wikipedia.org/wiki/Fetal_circulation

    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 ...

  3. Placenta - Wikipedia

    en.wikipedia.org/wiki/Placenta

    The placenta also provides a reservoir of blood for the fetus, delivering blood to it in case of hypotension and vice versa, comparable to a capacitor. [48] Ultrasound image of human placenta and umbilical cord (color Doppler rendering) with central cord insertion and three umbilical vessels, at 20 weeks of pregnancy

  4. Fetal membranes - Wikipedia

    en.wikipedia.org/wiki/Fetal_membranes

    The amnion is the innermost layer and, therefore, contacts the amniotic fluid, the fetus and the umbilical cord. [5] The internal pressure of the amniotic fluid causes the amnion to be passively attached to the chorion. [4] The chorion functions to separate the amnion from the maternal decidua and uterus. [4]

  5. Umbilical cord - Wikipedia

    en.wikipedia.org/wiki/Umbilical_cord

    In placental mammals, the umbilical cord (also called the navel string, [1] birth cord or funiculus umbilicalis) is a conduit between the developing embryo or fetus and the placenta. During prenatal development , the umbilical cord is physiologically and genetically part of the fetus and (in humans) normally contains two arteries (the umbilical ...

  6. Umbilical artery - Wikipedia

    en.wikipedia.org/wiki/Umbilical_artery

    The umbilical arteries surround the urinary bladder and then carry all the deoxygenated blood out of the fetus through the umbilical cord. Inside the placenta, the umbilical arteries connect with each other at a distance of approximately 5 mm from the cord insertion in what is called the Hyrtl anastomosis. [1]

  7. Deferred umbilical cord clamping reduces premature baby death ...

    www.aol.com/deferred-umbilical-cord-clamping...

    Delaying the clamping allows blood to flow from the placenta to the baby while the baby’s lungs fill with air. ... Waiting at least two minutes before clamping the umbilical cord of a premature ...

  8. Amniotic sac - Wikipedia

    en.wikipedia.org/wiki/Amniotic_sac

    The amniotic sac and its filling provide a liquid that surrounds and cushions the fetus. It is a site of exchange of essential substances, such as oxygen, between the umbilical cord and the fetus. [9] It allows the fetus to move freely within the walls of the uterus. [citation needed] Buoyancy is also provided.

  9. Why are you suddenly seeing umbilical cords all over social ...

    www.aol.com/news/umbilical-cord-keepsakes-going...

    "In these cases the entire placenta and umbilical cord need to be sent to the laboratory for examination," she says. "The parent would have to speak with the laboratory to determine if a piece of ...