Brown Rat

(redirected from Lab rat)
Also found in: Dictionary, Thesaurus, Medical, Idioms.

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.
Being a test pilot is a far more romantic, daring and audacious notion than being a lab rat. In the fight against cancer, it's also more accurate.
A spokesman for the state Health Department welcomed the industry's ads, and defended the ''lab rat'' campaign.
Differences in Fos expression in SCN neurons containing vasopressin (VP) have also been reported between the diurnal grass rat (Arvicanthis niloticus) and the nocturnal lab rat; whereas little or no colocalization is found in the SCN of the lab rat, high colocalization of Fos and VP during the light period is found in the grass rat (Rose, Novak, Mahoney, Nunez, & Smale, 1999).
Now, the lab rat planted in the lettuce at the four-star restaurant found by Larry in the movie was all too true.
The minibrains would cost about as much as a lab rat.
Verdict: Flushed Away is an absolute joy, cleverly operating on two levels: for youngsters there's lots of slapstick and legions of singing slugs; for parents and older viewers, some ribald humour such as Whitey's sad history as a lab rat or the customs of Le Frog and his chums.
identification in the title reflects the narrator's suspicion that she has been her parents' lab rat for the conditioning program, the prototypical utopian operant.
Within six seconds of looping around an anesthetized lab rat, a boa constrictor squeezes enough to halve blood pressure in a rear-leg artery.
It was difficult to make Out exactly what was being said, but as I passed through the labyrinth it sounded like, "She's very excited, you've got her very excited." Perhaps as a result of my overheated imagination, I felt like a lab rat in an experiment--the cheese being either some aroused "she" or my own implication in some scenario of desire.
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.