Brown Rat

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Brown Rat

 

(Rattus norvegiens), a mammal of the order Rodentia.

References in periodicals archive ?
Lab Rat Gifts provides a wide variety of unique science gifts to lab researchers, healthcare professionals, students, and teachers.
Thus, in the lab rat, the circadian regulation of activity in ORX neurons may involve an indirect route with the DMH as the primary relay nucleus of SCN signals to the ORX system.
A clean rat rear end indicates to Larry that a lab rat has been planted in the restaurant kitchen to hurt business as well as knock the restaurant out of the All City Top Chef Cook Off Contest.
Martha herself ended up as a lab rat when she went undercover to find out what was happening, and it was Torchwood to the rescue.
It should have come as no surprise that the rat's DNA had "changed much more than the human genome had since the two species diverged from a common ancestor" ("Devil's Lapdog Gets Its Due: The lab rat bares its DNA to biologists," SN: 4/3/04, p.
This week, biologists announced that they have deciphered the full DNA sequence of the standard lab rat, setting the stage for a new flurry of biomedical research on this rodent and providing insight into mammalian evolution.