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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:enlarged first pharyngeal arch
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Accession:MP:0006343 term browser browse the term
Definition:increased size of the first branchial arch
Synonyms:exact_synonym: enlarged first branchial arch;   increased first pharyngeal arch size

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  mammalian phenotype 5380
    embryo phenotype 6
      abnormal embryo morphology 2
        abnormal embryonic tissue morphology 1
          abnormal pharyngeal arch morphology 0
            abnormal first pharyngeal arch morphology 0
              enlarged first pharyngeal arch 0
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