| dead rat | 1.97 | Eat dead rats! | ||
| plastic rat | 1.71 | But not plastic rats. | ||
| infected rat | 1.32 | It comes from bacteria carried by fleas from infected rats. | ||
| female rat | 1.12 | Eight week old female outbred Wistar rats were housed individually. | ||
| male rat | 0.86 | Male Wistar rats were used as the experimental animal. | ||
| young rat | 0.66 | At night they slide soundlessly among the branches, hunting mice, young rats or smaller birds. | ||
| giant rat | 0.59 | A giant rat in their dugout. | ||
| large rat | 0.59 | A very large rat. | ||
| pregnant rat | 0.59 | Also on board the shuttle are Medaka fish eggs, pregnant rats and moths. | ||
| adult rat | 0.53 | It involved adult rats whose spinal cords were completely severed, leaving a gap of about one-fifth of an inch. | ||
| treated rat | 0.53 | Ruda said the treated rats reacted to the heat about twice as fast as the control rats. | ||
| black rat | 0.46 | Well what type of rats, are they just big black rats? | ||
| huge rat | 0.46 | At night, huge rats take their place. | ||
| big rat | 0.39 | They look like big rats. | ||
| live rat | 0.39 | In her hands, sure enough, is a live rat. | ||
| normal rat | 0.39 | Each group received normal rat chow. | ||
| trapped rat | 0.39 | A half-hour later, the tenants are baiting the super like a trapped rat. | ||
| pet rat | 0.33 | He gathered the boys, two pet dogs and a pet rat and fled. | ||
| fried rat | 0.26 | Imagine eating a fried rat. | ||
| newborn rat | 0.26 | In a third experiment, the motor neurons of newborn rats were severed. |