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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:lymphocyte tracer radioactivity measurement
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Accession:CMO:0001866 term browser browse the term
Definition:Any quantification of the corpuscular or electromagnetic radiations emitted consequent to nuclear disintegration of a radioactive isotope which is replacing a stable chemical element in a compound that has been introduced into lymphocytes (small agranulocytic leukocytes that originate from fetal stem cells and develop in the bone marrow) rendering them able to be followed or tracked through the body.
Synonyms:related_synonym: lymphocyte radioactive tracer measurement

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lymph node-specific lymphocyte tracer radioactivity level to kidney-specific lymphocyte tracer radioactivity level ratio term browser
Symbol Object Name Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
Q Nka1 Natural killer alloreactivity QTL 1 IDA RGD PMID:8642329 RGD:61085

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  clinical measurement 2369
    immune system measurement 49
      immune cell measurement 16
        lymphocyte tracer radioactivity measurement 1
          calculated lymphocyte tracer radioactivity measurement + 1
          kidney-specific lymphocyte tracer radioactivity measurement + 1
          lymph node-specific lymphocyte tracer radioactivity measurement + 1
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