¹ Source: wiktionary.com
Medical Definition of Mole rats
1. 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. (12 Dec 1998)