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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 morphology
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Accession:MP:0003105 term browser browse the term
Definition:any structural anomaly of one or both of the two upper chambers of the heart, to which the blood returns from the circulation
Synonyms:exact_synonym: abnormal heart atria;   atrial dysplasia

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  mammalian phenotype 5415
    cardiovascular system phenotype 1371
      abnormal cardiovascular system morphology 427
        abnormal heart morphology 331
          abnormal heart atrium morphology 0
            abnormal atrium endocardium morphology 0
            abnormal atrium myocardium morphology + 0
            abnormal heart atrium arrangement + 0
            abnormal heart atrium auricular region morphology + 0
            abnormal heart atrium shape 0
            abnormal heart atrium size + 0
            abnormal heart atrium wall thickness + 0
            abnormal heart left atrium morphology + 0
            abnormal heart right atrium morphology + 0
            abnormal interatrial septum morphology + 0
            atrium cyst 0
            cor triatriatum + 0
            dilated heart atrium + 0
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