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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:atrial situs inversus
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Accession:MP:0010431 term browser browse the term
Definition:anomaly in the asymmetry of the cardiac atria such that atria on both the left and right side have the morphology normally seen on the opposite side of the body
Synonyms:exact_synonym: inverted atria
 xref: Fyler:0150;   Fyler:150

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Path 1
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  mammalian phenotype 5415
    growth/size/body region phenotype 826
      heterotaxia 0
        atrial situs inversus 0
Path 2
Term Annotations click to browse term
  mammalian phenotype 5415
    cardiovascular system phenotype 1371
      abnormal cardiovascular system morphology 427
        abnormal heart morphology 331
          abnormal heart atrium morphology 0
            abnormal heart atrium arrangement 0
              atrial situs inversus 0
paths to the root