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HUMAN PHENOTYPE - ANNOTATIONS

The Human Phenotype Ontology (HPO) is downloaded weekly from http://compbio.charite.de/hudson/job/hpo/lastStableBuild/artifact/ontology/release/hp.obo. The file downloaded is considered the "last stable build" available for the ontology. For more about the HPO, view their website at http://www.human-phenotype-ontology.org/.

Term:Generalized atonic seizure
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Accession:HP:0032887 term browser browse the term
Definition:Generalized atonic seizure is a type of generalized motor seizure characterized by a sudden loss or diminution of muscle tone without apparent preceding myoclonic or tonic event lasting about 1-2 s, involving head, trunk, jaw, or limb musculature.
Comment:Atonic means without tone. When leg tone is lost during a generalized atonic seizure, the patient falls on the buttocks or sometimes forward onto the knees and face. Recovery is usually within seconds.
Synonyms:exact_synonym: Generalised atonic seizure



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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the nervous system 0
        Abnormal nervous system physiology 0
          Seizure 0
            Motor seizure 0
              Atonic seizure 0
                Generalized atonic seizure 0
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