#vena_labialis__labial_vein  veins draining the lips of the vulva
  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:  #vulva
  subtype:  #venae_labiales_anteriores__anterior_labial_veins  veins from the labia majora to the external pudendal vein
  subtype:  #venae_labiales_posteriores__posterior_labial_veins  veins that pass posterior from the labia majora to the internal pudendal vein

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