#convulsion  violent uncontrollable contractions of muscles
  supertype:  #ictus__ictu__seizure__raptus  a sudden occurrence (or recurrence) of a disease; "he suffered an epileptic seizure"
  subtype:  #clonus  convulsion characterized by alternating contractions and relaxations
  subtype:  #epileptic_seizure__epilepticseizure  convulsions accompanied by impaired consciousness
     subtype:  #grand_mal__grandmal__generalized_seizure__generalizedseizure__epilepsia_major__epilepsiamajor  a seizure (or a type of epilepsy characterized by such seizures) during which the patient becomes unconscious and has convulsions over the entire body
     subtype:  #petit_mal__petitmal__epilepsia_minor__epilepsiaminor  a seizure (or a type of epilepsy characterized by such seizures) of short duration characterized by momentary unconsciousness and local muscle spasms or twitching

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