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 (https://rgd.mcw.edu/rgdweb/contact/contactus.html).
This term is obsolete.
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Definition:
A calculated value made by dividing the mesangial volume measurement by the total glomerular volume measurement, both values having been determined from measurements of microscopic images.
Synonyms:
exact_synonym:
mesangial Vv; mesangial volume density (Vv); ratio of glomerular area occupied by mesangial cells to total glomerular area