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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 tail bud morphology
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Accession:MP:0002861 term browser browse the term
Definition:anomalous formation of the primordial region of the embryo that arises to form the tail of the adult; appears approximately ten days following conception as a short stump, and then initiates elongation and thinning in normal development

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  mammalian phenotype 5415
    limbs/digits/tail phenotype 76
      abnormal tail morphology 13
        abnormal tail development 1
          abnormal tail bud morphology 0
            abnormal ventral ectodermal ridge morphology + 0
            absent tail bud 0
            enlarged tail bud 0
            small tail bud 0
            truncated tail bud 0
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