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).
The amount in a specified sample of serum of one or more types of immunoglobulin A (IgA), one of the most prevalent of the five classes of antibodies produced by the body. IgA is found in all secretions of the body and is the major antibody in the tears, saliva, and mucous membranes lining the intestines and bronchi, constituting an important factor in mucosal immunity.
Synonyms:
exact_synonym:
serum IgA level; serum IgA measurement; serum total IgA level; serum total immunoglobulin A level