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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:tracheal smooth muscle morphology trait
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Accession:VT:0002284 term browser browse the term
Definition:Any measurable or observable characteristic related to the shape, structure, color, or pattern of the unstriated, involuntary muscle lining the tube descending from the larynx and branching into the right and left main bronchi.

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  vertebrate trait 1500
    organ system trait 671
      respiratory system trait 10
        respiratory system morphology trait 0
          trachea morphology trait 0
            tracheal smooth muscle morphology trait 0
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