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.
any structural anomaly of the erectile projection at the apex of the mammary gland where the lactiferous ducts open
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:
abnormal papilla mammae morphology; abnormal papilla of breast morphology; abnormal teat morphology; abnormal thele morphology; abnormal thelium morphology