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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:cardiovascular system development trait
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Accession:VT:0000121 term browser browse the term
Definition:Any measurable or observable characteristic related to the morphology or physiology of the heart or blood vessels during their formation and differentiation.

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  vertebrate trait 2
    organ system trait 2
      circulatory system trait 0
        circulatory system development trait 0
          cardiovascular system development trait 0
            blood vessel development trait + 0
            heart development trait + 0
            outflow tract development trait 0
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