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Mammalian Phenotype Browser
Term Detail
MP term:anal atresia
Synonym: atresia ani
Synonym: imperforate anus
Synonym: proctatresia
MP id: MP:0003130
Alternate id: Fyler:4402, Fyler:4443
Definition: congenital absence of an anal opening due to the persistence of the epithelial plug (persistence of the anal membrane) or to complete absence of the anal canal
Number of paths to term: 1

is-adenotes an 'is-a' relationship
part-ofdenotes a 'part-of' relationship


mammalian phenotype
        is-adigestive/alimentary phenotype
                is-aabnormal digestive system morphology
                        is-aabnormal anal canal morphology
                                is-aabnormal anus morphology
                                        is-aabsent anus
                                        is-aanal atresia [MP:0003130] (18 genotypes, 18 annotations)
                                        is-aanal fistula
                                        is-aanal soreness
                                        is-aanal stenosis
                                        is-aanoperineal fistula
                                        is-aperianal ulceration

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Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Tumor Biology (MTB), Gene Ontology (GO), MouseCyc
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last database update
08/12/2014
MGI 5.19
The Jackson Laboratory