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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 impulse conducting system morphology
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Accession:MP:0004123 term browser browse the term
Definition:any structural anomaly in the impulse-conducting system composed of modified cardiac muscle and having the power of spontaneous rhythmicity and conduction more highly developed than the rest of the heart
Synonyms:exact_synonym: abnormal bundle of Kent;   abnormal heart conducting system

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  mammalian phenotype 5402
    cardiovascular system phenotype 1371
      abnormal cardiovascular system morphology 427
        abnormal heart morphology 331
          abnormal impulse conducting system morphology 0
            abnormal Bachmann's bundle morphology 0
            abnormal Purkinje fiber morphology 0
            abnormal atrioventricular bundle morphology + 0
            abnormal atrioventricular node morphology + 0
            abnormal sinoatrial node morphology + 0
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