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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:increased heart atrium size
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Accession:MP:0008725 term browser browse the term
Definition:increased average size of either one or both of the heart atria compared to the average for a particular population
Synonyms:exact_synonym: enlarged heart atria;   enlarged heart atrium;   increased cardiac atrium size;   increased 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
              increased heart atrium size 0
                increased heart left atrium size + 0
                increased heart right atrium size + 0
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