#circumflex_vein__vena_circumflexa  any of several curved parallel veins accompanying arteries of the same name
  supertype:  vein__vena  a blood vessel that carries blood from the capillaries toward the heart; all veins except the pulmonary carry unaerated blood
  subtype:  circumflex_iliac_vein__vena_circumflexa_ilium  accompanies the artery of the same name
  subtype:  circumflex_femoral_vein__vena_circumflexus_femoris__venacircumflexusfemori  either of two veins that accompany arteries of the same name serving the hip and thigh

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