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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:abnormal heart atrium size
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Accession:MP:0031576 term browser browse the term
Definition:anomaly in the average size of either one or both of the heart atria compared to the average for a particular population
Synonyms:exact_synonym: abnormal cardiac atrial size;   abnormal cardiac atrium size;   abnormal heart atrial size

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  mammalian phenotype 5402
    cardiovascular system phenotype 1371
      abnormal cardiovascular system morphology 427
        abnormal heart morphology 331
          abnormal heart atrium morphology 0
            abnormal heart atrium size 0
              abnormal heart atria weight 0
              abnormal heart left atrium weight + 0
              abnormal heart right atrium weight + 0
              decreased heart atrium size + 0
              increased heart atrium size + 0
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