Canadian Medical Guide > Organisms > Animals > Chordata > Vertebrates > Mammals > Rodentia Terms and Definitions

Rodentia

Medical Definition:	A mammalian order which consists of 29 families and many genera.
Guide Notes:	GEN or unspecified; prefer specifics;
Also Called:	Capybaras,Castor Beaver,Coendou,Dormice,Gophers,Hystrix,Jerboas,Myoxidae,Octodon,Porcupines

Rodentia Categories.

	Chinchilla - A genus of the family Chinchillidae which consists of three genera: Lagidium, Lagostomus, and Chinchilla. They are used extensively in biomedical research.
	Dipodomys - A genus of the family Heteromyidae which contains 22 species. Their physiology is adapted for the conservation of water, and they seldom drink water. They are found in arid or desert habitats and travel by hopping on their hind limbs.
	Guinea Pigs - A common name used for the family Caviidae. The most common species is Cavia porcellus which is the domesticated guinea pig used for pets and biomedical research.
	Mole Rats - Any of several burrowing rodents of the families MURIDAE and Bathyergidae, found in eastern Europe, Africa, and Asia. They have short limbs, small eyes with permanently closed lids, and no tail. Three genera Spalax (Muridae), Heterocephalus (Bathyergidae) and Cryptomys (Bathyergidae) are used frequently as experimental animals in biomedical research. (From Walker's Mammals of the World, 5th ed)
	Muridae - 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.
	Sciuridae - A family of the order Rodentia which contains 49 genera. Some of the more common genera are MARMOTA, which includes the marmot and woodchuck; Sciurus, the gray squirrel, S. carolinensis, and the fox squirrel, S. niger; Tamias, the eastern and western chipmunk; and Tamiasciurus, the red squirrel. The flying squirrels, except the scaly-tailed Anomaluridae, also belong to this family.

Rodentia Medical Definitions and Terms

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