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The Mouse Adult Gross Anatomy Ontology and Mammalian Phenotype Ontology are downloaded weekly from the Mouse Genome Informatics databases at Jackson Laboratories ( For more information about these ontologies, see the MGI Publications Page at

Term:abnormal sperm number
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Accession:MP:0002673 term browser browse the term
Definition:increased or decreased numbers of spermatozoa
Synonyms:exact_synonym: abnormal sperm count

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azoospermia term browser
Symbol Object Name Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Sbf1 SET binding factor 1 IMP RGD PMID:27335132 RGD:38549340 NCBI chr 7:130,261,552...130,288,566
Ensembl chr 7:130,261,552...130,288,509
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Term paths to the root
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  mammalian phenotype 4987
    reproductive system phenotype 86
      abnormal reproductive system morphology 62
        abnormal gametogenesis 11
          abnormal sperm number 2
            azoospermia 2
            increased sperm number 0
            necrospermia 0
            oligozoospermia 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.