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The Clinical Measurement Ontology (CMO), Measurement Methods Ontology (MMO), and Experimental Condition Ontology (XCO) are currently being developed at the Rat Genome Database. For more information about these vocabularies please see Shimoyama et al. Three ontologies to define phenotype measurement data. Front Genet. 2012;3:87. Epub 2012 May 28 or contact us (

Term:heart weight to tibia length ratio
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Accession:CMO:0001198 term browser browse the term
Definition:A calculated value in which the weight of the heart, the chambered, muscular organ that maintains the circulation of the blood, is divided by the length of the tibia, the inner and larger bone of the lower leg or hindlimb, and presented as a ratio, fraction, quotient or percentage, thus normalizing it to the length of the leg and, by extension, to the length of the body.

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  clinical measurement 2369
    body morphological measurement 733
      organ morphological measurement 286
        heart morphological measurement 131
          heart weight 129
            calculated heart weight 103
              heart weight to tibia length ratio 0
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