#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
  subtype:  afterbirth  the placenta and fetal membranes that are expelled from the uterus after the baby is born
  part:  caul
  part of:  uterus__womb  a hollow muscular organ in the pelvic cavity of females; contains the developing fetus
     part of:  female_reproductive_system  the reproductive system of females
        part of:  female_body  the body of a female human being
           part of:  female_person__female  a person who belongs to the sex that can have babies

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