#facial_vein__vena_facialis  any of several veins draining the face
  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:  #human_face
  subtype:  #anterior_facial_vein__vena_facialis_anterior  a continuation of the angular vein; unites with the retromandibular vein before emptying into the internal jugular vein
  subtype:  #retromandibular_vein__retromandibularvein__vena_retromandibularis__posterior_facial_vein  posterior branch of the facial vein; formed by temporal veins in front of the ear

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