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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 snout morphology
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Accession:MP:0000443 term browser browse the term
Definition:any structural anomaly of the anterior facial part of the face or muzzle containing the oral and nasal regions
Comment:The term muzzle has multiple meanings and can be ambiguous. It has been added as a broad synonym, and in this case, refers both to the protruding part of the face seen in many animal species.
Synonyms:exact_synonym: abnormal snout;   snout abnormalities
 narrow_synonym: abnormal snout shape;   snout shape abnormalities
 broad_synonym: abnormal muzzle morphology;   snout dysplasia
 related_synonym: abnormal nose shape
 alt_id: MP:0000444

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Term paths to the root
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Term Annotations click to browse term
  mammalian phenotype 5402
    growth/size/body region phenotype 820
      abnormal head morphology 42
        abnormal facial morphology 33
          abnormal snout morphology 0
            abnormal nasal bridge morphology + 0
            abnormal snout skin morphology 0
            absent snout 0
            asymmetric snout 0
            broad snout 0
            bushy muzzle 0
            downturned snout 0
            flattened snout 0
            long snout 0
            midface hypoplasia 0
            pointed snout 0
            round snout 0
            scaly muzzle 0
            small snout + 0
            upturned snout 0
paths to the root