naked mole rat


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naked mole rat,

name applied to a species (Heterocephalus glaber) of small rodentsrodent,
member of the mammalian order Rodentia, characterized by front teeth adapted for gnawing and cheek teeth adapted for chewing. The Rodentia is by far the largest mammalian order; nearly half of all mammal species are rodents.
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 found in E Africa, whose members—the only hairless rodents—live entirely in underground communities of 80 or more individuals with a structure resembling that of social-insect colonies. Colony members are closely related and seem to work for the success of the whole community rather than individual survival. The queen is head of the colony and is the only member to breed. She has approximately ten pups per litter and about four litters per year. The mole rats divide up the specialized chores, such as collecting food, disposing of waste, and digging tunnels. The colonies have extensive tunnel systems and a large central area for nesting. Naked mole rats are classified as Phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Mammalia, order Rodentia.

Bibliography

See study by P. W. Sherman et al. (1991).

References in periodicals archive ?
Early in 2014, with funding from the Life Extension Foundation[R], the couple were able to report novel husbanding innovations that facilitated the survival of naked mole rat pups.
The two scientists found that naked mole rat cells stop growing when the cells start to crowd each other.
According to the current results, the naked mole rat cells secrete extremely high-molecular mass HA, which is over five times larger than human or mouse HA.
Removing HMW-HA from naked mole rat tissue cultures made the tissue susceptible to tumor growth.
Dr Joao Pedro Magalhaes, from the Institute of Integrative Biology, said: "The naked mole rat has fascinated scientists for many years, but it was not until a few years ago we discovered it could live for such a long period of time.
Dr Joao Pedro Magalhaes, from the Institute of Integrative Biology, said: "The naked mole rat has fascinated scientists for many years but it wasn't until a few years ago that we discovered that it could live for such a long period of time.
Surprisingly, the naked mole rat gene was different from HAS2 in all other animals.
When the researchers engineered human cells with the naked mole rat version of the sodium channel, the human cells reacted like the mole rat cells do.
Washington, November 6 ( ANI ): Biologists at the University of Rochester have discovered the mechanism that helps blind mole rats fight off cancer and it differs from what they discovered three years ago in another long-lived and cancer-resistant mole rat species, the naked mole rat.
Other entries include the bull terrier, naked mole rat, and sea cucumber.
Mole rat" is applied to rodents in several families, but the article focused on the Bathyergidae, which includes the Damaraland mole rat (Cryptomys damarensis) and the naked mole rat (Heterocephalus glaber).
Fans can interact with Kim's friends and foes, including Ron Stoppable, Wade, Rufus the naked Mole Rat, Dr.