#vas__vessel  a tube in which a body fluid circulates
  supertype:  tube-shaped_structure__tube  (anatomy) any hollow cylindrical body structure
  subtype:  blood_vessel  a vessel in which blood circulates
  part of:  vascular_system  the vessels and tissue that carry or circulate fluids such as blood or lymph or sap through the body of an animal or plant
     part of:  body__organic_structure__organicstructure__physical_structure  the entire physical structure of an organism (especially an animal or human being); "he felt as if his whole body were on fire"
     part of:  vascular_plant__tracheophyte  green plant having a vascular system: ferns, gymnosperms, angiosperms

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