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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:absent facial muscle
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Accession:MP:0030040 term browser browse the term
Definition:absence of any of the striated skeletal muscles innervated by the facial nerve (cranial nerve VII) that, among other things, control facial expression; facial muscles are derived from the second branchial/pharyngeal arch
Synonyms:exact_synonym: missing facial muscle

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  mammalian phenotype 5380
    muscle phenotype 189
      abnormal muscle morphology 93
        abnormal skeletal muscle morphology 24
          abnormal facial muscle morphology 0
            absent facial muscle 0
              absent levator labii superioris muscle 0
              absent zygomaticus muscle 0
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