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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:sensory stimulus
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Accession:XCO:0000047 term browser browse the term
Definition:An action or condition designed to cause the registration or perception of a stimulus and the voyage made by incoming nerve impulses from the sense organs to the nerve centers. A stimulus is anything that excites or incites an organism or part thereof to function, become active, or respond.

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  experimental condition 0
    sensory stimulus 0
      auditory stimulus + 0
      olfactory stimulus 0
      tactile stimulus + 0
      taste stimulus 0
      visual stimulus + 0
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