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 (http://rgd.mcw.edu/contact/index.shtml).
Term:
serum high density lipoprotein cholesterol to low density lipoprotein cholesterol ratio
A calculated measurement in which the amount of HDL, small-particle lipoproteins that promote transport of cholesterol from extrahepatic tissue to the liver for excretion in the bile, in a specified volume of serum is divided by the amount of LDL, relatively large-particle lipoproteins that transport cholesterol to extrahepatic tissue, in the same sample, and presented as a ratio, fraction, quotient or percentage.