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The Mouse Adult Gross Anatomy Ontology and Mammalian Phenotype Ontology are downloaded weekly from the Mouse Genome Informatics databases at Jackson Laboratories ( For more information about these ontologies, see the MGI Publications Page at

Term:absence seizures
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Accession:MP:0003216 term browser browse the term
Definition:impairment of consciousness without convulsions associated with sudden behavioral arrest and widespread bilaterally synchronous spike-and-wave discharges (SWDs) in the electroencephalogram (EEG)
Synonyms:exact_synonym: absence epilepsy;   spike wave seizures

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decreased spike-wave discharge type I term browser
Symbol Object Name Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Cacna1a calcium voltage-gated channel subunit alpha1 A IAGP RGD PMID:17196942 RGD:1598976 NCBI chr19:25,453,236...25,749,550
Ensembl chr19:25,526,751...25,749,550
JBrowse link
G Cacna1agry calcium voltage-gated channel subunit alpha1 A; groggy mutant IAGP RGD PMID:17196942 RGD:1598976

Term paths to the root
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  mammalian phenotype 5069
    behavior/neurological phenotype 499
      abnormal behavior 498
        seizures 38
          nonconvulsive seizures 10
            absence seizures 10
              abnormal spike wave discharge + 5
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