Umbilical cord Umbilical cord In placental mammals, the umbilical cord (also called the navel string, 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 arteries) and one vein (the umbilical vein), buried within Wharton's jelly. The umbilical vein supplies the fetus with oxygenated, nutrient-rich blood from the placenta. Conversely, the fetal heart pumps low oxygen containing blood, nutrient-depleted blood through the umbilical arteries back to the placenta. The umbilical cord develops
The Cord and the Ax quo and character motivations in the first two episodes, in The Cord And The Ax the writers set out on a destructive path to destabilise just about every cosy structure they’d previously created. In doing this, they delivered both the very best of what Defiance does, and some of the worst, for good measure." The Cord and the Ax "The Cord and the Ax" is the third episode of the second season of the American science fiction series Defiance, and the series' fifteenth episode overall. It was aired on July 3, 2014. The episode was written by Allison Miller and