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CLINICAL MEASUREMENT - ANNOTATIONS

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:blood CD4 cell count
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Accession:CMO:0000596 term browser browse the term
Definition:Measurement of the number of lymphocytes expressing the CD4 antigen on their surface in a specified volume of whole blood. CD4 is a membrane glycoprotein found primarily on T lymphocytes, but also can be expressed on B cells, macrophages, and granulocytes. On T cells it is a co-receptor for the T cell receptor (TCR), interacts with MHC class II antigens, and functions to initiate or augment the early phase of T-cell activation.
Synonyms:exact_synonym: CD4(+) cell count;   CD4+ cell count
 alt_id: CMO:0000602



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Term paths to the root
Path 1
Term Annotations click to browse term
  clinical measurement 0
    cell measurement 0
      mononuclear cell measurement 0
        mononuclear cell count 0
          blood mononuclear cell count 0
            blood lymphocyte count 0
              blood T lymphocyte count 0
                blood CD4 cell count 0
                  blood CD4+ T helper cell count + 0
                  blood CD45RC CD4 T cell count + 0
                  calculated blood CD4 cell count + 0
Path 2
Term Annotations click to browse term
  clinical measurement 0
    cell measurement 0
      immune cell measurement 0
        white blood cell measurement 0
          white blood cell count 0
            mononuclear cell count 0
              blood mononuclear cell count 0
                blood lymphocyte count 0
                  blood T lymphocyte count 0
                    blood CD4 cell count 0
                      blood CD4+ T helper cell count + 0
                      blood CD45RC CD4 T cell count + 0
                      calculated blood CD4 cell count + 0
paths to the root