#labial_vein__vena_labialis  a vein draining the lips of the mouth
  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_labial_vein  superior_labial_vein
  part of:  lip  fleshy folds of tissue as those surrounding the mouth
     part of:  mouth  the externally visible part of the oral cavity on the face and the system of organs surrounding the opening; "she wiped lipstick from her mouth"
        part of:  human_face__humanface  the front of the head from the forehead to the chin and ear to ear; "he washed his face"; "I wish I had seen the look on his face when he got the news"
           part of:  head__caput  the upper or front part of the body in animals; contains the face and brains; "he stuck his head out the window"
              part of:  animal__animate_being__animatebeing__beast__brute__creature__fauna  a living organism characterized by voluntary movement

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