#metacarpal_vein__vena_metacarpus  dorsal and palmar veins of the hand
  supertype:  vein__vena  a blood vessel that carries blood from the capillaries toward the heart; all veins except the pulmonary carry unaerated blood
  part of:  manus__manu__hand__mitt__paw  the (prehensile) extremity of the superior limb; "he had the hands of a surgeon"; "he extended his mitt"
     part of:  human__man__homo__human_being__humanbeing  any living or extinct member of the family Hominidae
     part of:  arm  a human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb
        part of:  human__man__homo__human_being__humanbeing  any living or extinct member of the family Hominidae
        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"

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