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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 timing of postnatal eyelid opening
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Accession:MP:0004874 term browser browse the term
Definition:anomaly in the average time for the first postnatal eye opening, or failure of eyes to ever open
Comment:In mouse, eyelids normally fuse about 5 days prior to birth and reopen about 19 days later (P8-12).
Synonyms:exact_synonym: abnormal timing of eye lid opening

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  mammalian phenotype 5415
    vision/eye phenotype 98
      abnormal eye morphology 86
        abnormal eyelid morphology 6
          abnormal timing of postnatal eyelid opening 0
            delayed eyelid opening 0
            early eyelid opening 0
            eyelids fail to open 0
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