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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:esophagus morphology trait
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Accession:VT:0000467 term browser browse the term
Definition:Any measurable or observable characteristic related to the shape, structure, color or pattern of the part of the digestive canal through which food passes from the pharynx to the stomach.
Synonyms:exact_synonym: oesophagus morphology trait
 xref: ATOL:0001062

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  vertebrate trait 2888
    organ system trait 1978
      alimentary system trait 127
        gastrointestinal system morphology trait 44
          esophagus morphology trait 0
            esophageal epithelium morphology trait + 0
            esophagus size trait + 0
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