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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:decreased nipple number
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Accession:MP:0013529 term browser browse the term
Definition:fewer than the expected number of structures located on the apex of the mammary gland on the integument surface into which the lactiferous ducts open; normal female mice have five pairs of mammary glands and nipples (males have no nipples); two pairs of nipples are situated in the abdomino-inguinal region (inguinal group) and three pairs in the ventral thoracic region (pectoral or thoracic group)
Comment:Variation in number and arrangement of nipples is frequent on some mouse strains. For examples, fewer than five pairs are common in strain A females; more than five pairs in BALB/c females (Little, C.C., and H. MacDonald. 1945. Abnormalities of the mammae in the house mouse. J. Hered. 36: 285-288.)
Synonyms:exact_synonym: decreased papilla mammae number;   decreased teat number;   decreased thele mammae number;   decreased thelium mammae number;   reduced nipple number;   reduced papilla mammae number;   reduced teat number;   reduced thele number;   reduced thelium number


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  mammalian phenotype 5418
    integument phenotype 171
      abnormal skin adnexa morphology 169
        abnormal mammary gland morphology 99
          abnormal nipple morphology 0
            decreased nipple number 0
Path 2
Term Annotations click to browse term
  mammalian phenotype 5418
    endocrine/exocrine gland phenotype 394
      abnormal gland morphology 333
        abnormal exocrine gland morphology 119
          abnormal apocrine gland morphology 99
            abnormal mammary gland morphology 99
              abnormal nipple morphology 0
                decreased nipple number 0
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