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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:controlled exposure to darkness
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Accession:XCO:0000183 term browser browse the term
Definition:Condition during which visible light, that is, electromagnetic radiation with wavelengths between approximately 390 (violet) and 770 (red) nanometers, capable of stimulating the subjective sensation of sight, is removed.
Synonyms:related_synonym: nocturnal condition

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controlled exposure to darkness term browser
Symbol Object Name Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
Q Bp350 Blood pressure QTL 350 IDA RGD PMID:11015589 RGD:69700 NCBI chr18:31,359,530...59,796,478 JBrowse link
Q Hrtrt3 Heart rate QTL 3 IDA RGD PMID:14532335 RGD:727992 NCBI chr 2:29,971,593...51,729,300 JBrowse link

Related Phenotype Data for Term "controlled exposure to darkness" (XCO:0000183)

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

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  experimental condition 2376
    controlled visible light condition 14
      controlled exposure to darkness 2
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