2
Umbilical vein
Carries oxygenated blood back to fetal heart
1
Umbilical cord
Contains 2 arteries, 1 vein
Connects fetus to placenta
3
Umbilical arteries
Carries deoxygenated blood away from fetal heart
16
Myometrium
17
Dotted line indicating division between maternal and fetal blood
18
Amniotic fluid