Naked mole-rat from africa

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But this is merely one of a whole radiation of African mole-rats, the species of which occur right across sub-Saharan Africa. Those species — they include the Eurasian blind mole-rats of the genera Nannospalax and Spalax — are included within a group termed Spalacinae or Spalacidae. They appear to be muroids — part of the enormous rodent group that includes mice, rats, hamsters, voles, gerbils and so on — and hence are not even close to bathyergids.

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African naked mole-rats live densely packed in narrow dark burrows where ambient carbon dioxide CO2 levels are very high. In body tissues, CO2 is converted into acid, which continuously activates pain sensors. However, naked mole-rats have an altered ion channel in their pain receptors that is inactivated by acid and makes the animals insensitive to this type of pain.

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In the world of animal models, naked mole rats are the supermodels. They rarely get cancerare resistant to some types of pain, and can survive up to 18 minutes without oxygen. But perhaps their greatest feat, a new paper suggests, is that they don't age.

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Naked mole-rats are weirdly spectacular — they are bare-skinned, wrinkly and buck-toothed, and they live in large underground colonies in East Africa where only the queen breeds, with a few selected males. They can also live without oxygen for up to 18 minutes. They share this trait with a few other animals and plants, like some species of jellyfish, tortoises and trees. They do eventually die, of course, but the reasons for death are still being researched — and seem to relate to predation, infection, starving or lack of water.

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This east African rodent has a life span of more than 30 years, which is 10 times longer than that of a mouse, and extraordinary for such a small mammal. According to Buffenstein, this longevity is partly due to telomeres —the end sections of chromosomes that, at least in humans, get shorter with each cell division. For some still unknown reason, this is not the case with naked mole-rats.

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This free, family event includes animal feedings, arts and crafts, and musical entertainment. She is showing sensitivity to noise, which is consistent with the final stages of a pregnancy or pseudopregnancy. The best time to see the giant pandas outside is before a.

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The Field Museum fuels a journey of discovery across time to enable solutions for a brighter future rich in nature and culture. With very little hair, some whiskers, wrinkly-pink skin and large teeth, Rufus stole the hearts of all who watched him save the day. In many episodes, Rufus is the hero, and like Kim and Ron, scientists agree that naked mole-rats are pretty cool.

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Yes, these odd little creatures with pink, wrinkly skin dig and live in underground burrows the way moles do. Yes, they have skinny, rat-like tails. Why are they "naked"?

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Pien Huang. Picture a pinkish, hairless, wrinkly rodent about the size of a small sweet potato. Researchers are studying naked mole rats to figure out what they can learn about longevity and health.

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This website uses cookies for user login, personalised content and statistics. By continuing to browse the site, you are agreeing to our use of cookies - if you wish to opt-out of non-essential cookies, you may do so below. Naked mole-rats that breed live longer than non-breeders of the species, defying the prevailing scientific view on reproduction and ageing.

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