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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:respiratory system development trait
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Accession:VT:0003115 term browser browse the term
Definition:Any measurable or observable characteristic related to the morphology or physiology of the system responsible for the exchange of oxygen and carbon dioxide with the environment during its formation and differentiation.

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  vertebrate trait 2385
    organ system trait 1554
      respiratory system trait 10
        respiratory system development trait 0
          lung development trait + 0
          tracheal-bronchial branching morphogenesis trait 0
          tracheal-esophageal septation trait + 0
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