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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:muscle cellular composition trait
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Accession:VT:0010118 term browser browse the term
Definition:Any measurable or observable characteristic pertaining to the proportions of cells within the tissue composed of contractile cells or fibers that effects movement of an organ or part of the body.

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  vertebrate trait 5
    organ system trait 5
      muscular system trait 0
        muscular system morphology trait 0
          muscle cellular composition trait 0
            cardiomyocyte quantity 0
            skeletal muscle cellular composition trait + 0
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