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MAMMALIAN PHENOTYPE - ANNOTATIONS

The Mouse Adult Gross Anatomy Ontology and Mammalian Phenotype Ontology are downloaded weekly from the Mouse Genome Informatics databases at Jackson Laboratories (ftp://ftp.informatics.jax.org/pub/reports/index.html). For more information about these ontologies, see the MGI Publications Page at http://www.informatics.jax.org/mgihome/other/publications.shtml.
Term:nasolacrimal duct obstruction
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Accession:MP:0013451 term browser browse the term
Definition:any impediment or blockage of the paired channels leading from the lacrimal sacs to the inferior meatus of the nose, through which tears are conducted through the nasal cavity; may be either congenital or acquired; obstruction of the nasolacrimal duct leads to the excess overflow of tears called epiphora
Synonyms:exact_synonym: nasolacrimal duct occlusion;   nasolacrymal duct obstruction;   nasolacrymal duct occlusion;   tear-duct blockage
 xref: HP:0000579


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  mammalian phenotype 5417
    vision/eye phenotype 100
      abnormal eye morphology 88
        abnormal ocular surface morphology 2
          abnormal lacrimal apparatus morphology 2
            abnormal nasolacrimal duct morphology 0
              nasolacrimal duct obstruction 0
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