#pulmonary_vein__pulmonaryvein__vena_pulmonalis  any of four veins that carry arterial blood from the lungs to the left atrium of the heart
  supertype:  vein__vena  a blood vessel that carries blood from the capillaries toward the heart; all veins except the pulmonary carry unaerated blood
  subtype:  inferior_pulmonary_vein  superior_pulmonary_vein
  part of:  lung  either of two saclike respiratory organs in the chest of vertebrates; serves to remove carbon dioxide and provide oxygen to the blood
     part of:  lower_respiratory_tract__lowerrespiratorytract  the bronchi and lungs

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