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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:number of photobeam interruptions in an experimental apparatus
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Accession:CMO:0001517 term browser browse the term
Definition:Measurement of the number of times an experimental subject broke or interrupted a beam of light while moving into, out of or within a distinct and specified area of an experimental apparatus (especially such a movement accomplished by the action of appendages such as flagella, limbs, or wings) originated, undertaken, controlled, or accomplished as a result of free will or choice.

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number of photobeam interruptions in an experimental apparatus term browser
Symbol Object Name Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
Q Activ1 Activity QTL 1 IDA RGD PMID:12660808 RGD:631228 NCBI chr 8:102,370,617...108,923,645 JBrowse link

Related Phenotype Data for Term "number of photobeam interruptions in an experimental apparatus" (CMO:0001517)

Rat Strains:
Clinical Measurements:
Experimental Conditions:
Measurement Methods:

Term paths to the root
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Term Annotations click to browse term
  clinical measurement 2369
    body movement/balance measurement 125
      body movement measurement 125
        voluntary body movement measurement 120
          voluntary locomotion measurement 72
            measurement of voluntary locomotion in an experimental apparatus 67
              measurement of voluntary locomotion into, out of or within a discrete space in an experimental apparatus 55
                number of photobeam interruptions in an experimental apparatus 1
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