#placenta  the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus
  supertype:  vascular_structure  a structure composed of or provided with blood vessels
  part:  caul
  part of:  uterus
  subtype:  afterbirth  the placenta and fetal membranes that are expelled from the uterus after the baby is born

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