rodent

(redirected from order Rodentia)
Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to order Rodentia: order Primates, order Lagomorpha, order Insectivora, order Chiroptera, order Cetacea, order Carnivora, order Artiodactyla

rodent

/ro·dent/ (ro´dent)
1. an order of mammals characterized by large chisel-shaped incisors, including the rats, mice, and squirrels, many of which are reservoirs for infectious diseases.
2. gnawing; corroding.

rodent

(rōd′nt)
n.
Any of various mammals of the order Rodentia, such as a mouse, rat, squirrel, or beaver, characterized by large incisors used for gnawing or nibbling.

ro′dent adj.

rodent

Infectious disease A mammal of order Rodentia–eg, mice, rats, squirrels, gerbils, chipmunks, voles, moles, et al Vectors for Argentine hemorrhagic fever, Bolivian hemorrhagic fever, endemic typhus, Francisella tularensis, Hantavirus pulmonary syndrome, Helicobacter cinaedi, hemorrhagic fever with renal syndrome, Hymenolepsis diminuta, Hymenolepsis nana, Lassa fever, leptospirosis, listeriosis, lymphocytic choriomeningitis, Ornithonyssus bacoti-induced dermatitis, plague, rabies, rickettsialpox, salmonellosis, Spirillum minus, Streptobacillus moniliformis, tick-borne relapsing fever, Trichophyton mentagrophytes, Venezuelan hemorrhagic fever, Yersinia enterocolitica

rodent

any member of the mammalian order Rodentia, including gnawing mammals which have chisel-like incisors and lack canines. Examples include rats, mice, squirrels.

rodent

a member of the order Rodentia. Includes rats and mice and allied species, the squirrels and beavers, the porcupines and their related species, and the African mole rat in four separate suborders.

rodent bot
rodent ulcer
see eosinophilic ulcer.
References in periodicals archive ?
The Myocastor genus belongs to the mammalian Order Rodentia based on morphological features common to the group, particularly dental features (Nowak 1991).
Therefore, in order to determine the validity of the Hystricognathi taxon, and to determine whether hystricognaths are rodents, studies of all hystricognaths, including the nutria, should be included in a genetic analysis of the Order Rodentia.
The application of such molecular techniques to determine species uniqueness and evolutionary relationships has fueled controversy on the taxonomic status of the guinea pig in the mammalian Order Rodentia.
The principal hosts of the Old World and New World arenaviruses are murine (subfamily Murinae) and sigmodontine (subfamily Sigmodontinae) rodents, respectively, of the order Rodentia, family Muridae.