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The Vertebrate Trait Ontology (VT) is being developed as a collaborative effort between the Rat Genome Database at the Medical College of Wisconsin (RGD,, Mouse Genome Informatics at the Jackson Laboratory ( and the Animal QTL database at Iowa State University ( For more information about this vocabulary, or to request additions or changes, please contact us (

Term:mammary gland development trait
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Accession:VT:0000628 term browser browse the term
Definition:Any measurable or observable characteristic related to the morphology or physiology during formation or differentiation of the milk-secreting gland in female mammals during early embryogenesis or during sexual maturity or reproduction.

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  vertebrate trait 2888
    organ system trait 1978
      endocrine/exocrine system trait 162
        gland development trait 0
          mammary gland development trait 0
            mammary ductal tree branching trait 0
            mammary gland embryonic development trait 0
            mammary gland fetal development trait + 0
            mammary gland growth trait 0
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