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MAMMALIAN PHENOTYPE - ANNOTATIONS

The Mouse Adult Gross Anatomy Ontology and Mammalian Phenotype Ontology are downloaded weekly from the Mouse Genome Informatics databases at Jackson Laboratories (ftp://ftp.informatics.jax.org/pub/reports/index.html). For more information about these ontologies, see the MGI Publications Page at http://www.informatics.jax.org/mgihome/other/publications.shtml.
Term:abnormal cremaster muscle morphology
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Accession:MP:0011833 term browser browse the term
Definition:any structural anomaly of the thin layer of skeletal muscle that envelops the spermatic cord and testis of most male mammals in a series of loops; it is a continuation of the obliquus internus, arising from the inguinal ligament and inserting into the crest of the pubis and into the sheath of the rectus abdominis; it is innervated by the genital branch of the genitofemoral nerve and functions to draw the testis up toward the superficial inguinal ring in response to cold or to stimulation of the nerve; in females it is represented by only a few muscle loops that envelop the round ligament of the uterus
Comment:In rats, it has been shown that cremaster muscles develop from the gubernacular bulb.
Synonyms:exact_synonym: abnormal cremaster morphology


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  mammalian phenotype 5420
    muscle phenotype 199
      abnormal muscle morphology 98
        abnormal skeletal muscle morphology 24
          abnormal cremaster muscle morphology 0
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