• placenta
  • The umbilical arteries supply deoxygenated blood from the fetus to the placenta. (wikipedia.org)
  • 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. (wikipedia.org)
  • blood
  • The umbilical arteries surround the urinary bladder and then carry all the deoxygenated blood out of the fetus through the umbilical cord. (wikipedia.org)