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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 pharyngeal arch morphology
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Accession:MP:0002884 term browser browse the term
Definition:any structural anomaly of the transient structures of the embryo that develop into regions of the head, neck and ears
Synonyms:exact_synonym: abnormal branchial arch morphology;   abnormal branchial arches;   abnormal pharyngeal arches

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  mammalian phenotype 5407
    craniofacial phenotype 53
      abnormal craniofacial morphology 53
        abnormal craniofacial development 10
          abnormal pharyngeal arch morphology 0
            abnormal first pharyngeal arch morphology + 0
            abnormal fourth pharyngeal arch morphology + 0
            abnormal pharyngeal arch artery morphology + 0
            abnormal pharyngeal arch mesenchyme morphology 0
            abnormal second pharyngeal arch morphology + 0
            abnormal sixth pharyngeal arch morphology + 0
            abnormal third pharyngeal arch morphology + 0
            absent pharyngeal arches + 0
            ectopic pharyngeal arch 0
            enlarged pharyngeal arch + 0
            fused pharyngeal arches 0
            small pharyngeal arch + 0
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