The umbilical cord is a tough membrane that covers the two arteries (the umbilical arteries) and one vein (the umbilical vein) that are coated in Wharton's jelly.
Wharton's jelly is a gelatinous substance within the umbilical cord. It is derived from extra-embryonic mesoderm.
The umbilical cord is attached to the placenta and the placenta is attached to the wall of the uterus
The "Umbilical cord".
The umbilical cord contains blood vessels which carry substances to and from the placenta and thence from the mother.
allantois
Umbilical Cord
The umbilical cord. The umbilical cord has the function of sending blood to the baby and returning blood from the baby after it has been utilized. There are two arteries in the umbilical cord that do this.
In placental mammals, the umbilical cord (also called the birth cord or funiculus umbilicalis) is a conduit between the developing embryo orfetus and the placenta.
newtest3eggs
They are transported from the placenta through the umbilical cord to the fetus. The baby takes nutrients and oxygen from the mother's blood, which travel's through the umbilical cord to the baby
Actually it's impossible... You can read more about the umbilical cord here: <a href="http://umbilical-cord-care.com">http://umbilical-cord-care.com</a>
not sure what you mean by "which of these" but the umbilical cord connects the embryo to the mother.
the umbilical cord.