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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:esophageal smooth muscle morphology trait
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Accession:VT:0003159 term browser browse the term
Definition:Any measurable or observable characteristic related to the shape, structure, color, or pattern of the nonstriated, involuntary muscle tissue lining the portion of the alimentary canal between the pharynx and stomach.

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  vertebrate trait 1500
    organ system trait 671
      muscular system trait 2
        muscular system morphology trait 2
          smooth muscle morphology trait 1
            esophageal smooth muscle morphology trait 0
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