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Definition of Muridae
1. Noun. Originally Old World rats now distributed worldwide; distinguished from the Cricetidae by typically lacking cheek pouches.
Exact synonyms: Family Muridae
Generic synonyms: Mammal Family
Group relationships: Muroidea, Superfamily Muroidea
Member holonyms: Genus Mus, Mus, Genus Micromyx, Micromyx, Apodemus, Genus Apodemus, Genus Rattus, Rattus, Genus Nesokia, Nesokia, Conilurus, Genus Conilurus, Genus Notomys, Notomys, Hydromyinae, Subfamily Hydromyinae
Generic synonyms: Mammal Family
Group relationships: Muroidea, Superfamily Muroidea
Member holonyms: Genus Mus, Mus, Genus Micromyx, Micromyx, Apodemus, Genus Apodemus, Genus Rattus, Rattus, Genus Nesokia, Nesokia, Conilurus, Genus Conilurus, Genus Notomys, Notomys, Hydromyinae, Subfamily Hydromyinae
Medical Definition of Muridae
1. A family of the order rodentia containing 250 genera including the two genera mus and rattus, from which the laboratory inbred strains are developed. The fifteen subfamilies are hesperomyinae (new world mice and rats), cricetinae, spalacinae, myospalacinae, lophiomyinae, platacanthomyinae, nesomyinae, otomyinae, rhizomyinae, microtinae (arvicolinae), gerbillinae, dendromurinae, cricetomyinae, murinae (old world mice and rats), and hydromyinae. (12 Dec 1998)