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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:anorectal malformation incidence/prevalence measurement
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Accession:CMO:0002753 term browser browse the term
Definition:Any measurement in which the number of individuals in a study population that display anorectal malformation at a point in time or develop anorectal malformation within a determined period of time are compared to the total number of individuals in the study population. Often expressed as a percentage but could be expressed as a ratio. Anorectal malformations (ARMs) represent a spectrum of congenital anomalies characterized by the obstruction of the anal opening.
Synonyms:related_synonym: ARM incidence/prevalence measurement

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