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 bundles of smooth muscle fibers that connect the hair follicle with the papillary layer of the dermis, and serve to pull hair shafts erect
Synonyms:
exact_synonym:
abnormal arrector mucle of hair; abnormal errector muscle of hair; abnormal errector pilli muscle