#tonicity__tonus__tonu__tone  the elastic tension of living muscles, arteries, etc. that facilitate response to stimuli; "the doctor tested my tonicity"
  exclusion:  #atonicity
  supertype:  #tensity__tension__tenseness__tensenes__tautnes  the physical condition of being stretched or strained; "it places great tension on the leg muscles"; "he could feel the tenseness of her body"
  subtype:  #catatonia  extreme tonus; muscular rigidity; a common symptom in catatonic schizophrenia
  subtype:  #muscular_tonus__muscle_tone  normal tonicity of the muscles; "exercise improves muscle tone"
  subtype:  #myotonia  abnormally long muscular contractions; slow relaxation of a muscle after a contraction
     subtype:  #acromyotonia  myotonia of the extremities only; causes spastic deformity of the hand or foot
     subtype:  #myotonia_congenita__Thomsen's_disease  a mild, rare, congenital form of myotonia characterized by muscle stiffness

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