#ischemia__ischaemia  local anemia in a given body part sometimes resulting from vasoconstriction or thrombosis or embolism
  supertype:  anemia__anaemia  a deficiency of red blood cells
  subtype:  ischemic_stroke__ischaemic_stroke__ischaemicstroke  the most common kind of stroke; caused by an interruption in the flow of blood to the brain (as from a clot blocking a blood vessel)
  subtype:  transient_ischemic_attack__TIA  brief episode in which the brain gets insufficient blood supply; symptoms depend on the site of the blockage

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