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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 (https://rgd.mcw.edu/rgdweb/contact/contactus.html).
Term:daily sperm count to epididymis weight ratio
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Accession:CMO:0001611 term browser browse the term
Definition:A calculated measurement in which the total number of sperm, i.e. mature male germ cells, produced by an individual in a 24 hour period, is divided by the weight, i.e., the heaviness, of the epididymis, the coiled, elongated, cordlike structure located along the posterior border of the testis which provides for storage, transit, and maturation of spermatozoa. The result of this division is presented as a ratio, fraction, quotient or percentage, thus normalizing sperm count to the size of the epididymis and, by extension, to the size of the organism.
Synonyms:exact_synonym: daily spermatozoa count to epididymis weight ratio


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Related Phenotype Data for Term "daily sperm count to epididymis weight ratio" (CMO:0001611)

Rat Strains:
Clinical Measurements:
Experimental Conditions:
Measurement Methods:
Term paths to the root
Path 1
Term Annotations click to browse term
  clinical measurement 2369
    cell measurement 24
      sperm count 0
        calculated sperm count 0
          sperm count to epididymis weight ratio 0
            daily sperm count to epididymis weight ratio 0
Path 2
Term Annotations click to browse term
  clinical measurement 2369
    reproduction measurement 2
      sperm measurement 0
        sperm count 0
          calculated sperm count 0
            sperm count to epididymis weight ratio 0
              daily sperm count to epididymis weight ratio 0
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