brown rat

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brown rat

n.
The common domestic rat (Rattus norvegicus), which is found worldwide and is a destructive pest of crops and stored food and a carrier of disease. Also called Norway rat.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

brown rat

n
(Animals) a common brownish rat, Rattus norvegicus: a serious pest in all parts of the world. Also called: Norway rat
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Nor′way rat′


n.
an Old World rat, Rattus norvegicus, having a grayish brown body and a long, scaly tail: introduced worldwide. Also called brown rat.
[1745–55]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.brown rat - common domestic ratbrown rat - common domestic rat; serious pest worldwide
rat - any of various long-tailed rodents similar to but larger than a mouse
genus Rattus, Rattus - common house rats; upper incisors have a beveled edge
wharf rat - brown rat that infests wharves
sewer rat - brown rat commonly found in sewers
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Wistar rat oral 9.75 mg/kg BALB/c mice intravenous 5-20 mg/kg b.w.
Topical administration of 50% Purple Corn extract cream inhibited the increase of MMP1 levels and inhibited the decrease in collagen tissue amount of dermis of Wistar rat skin exposed to UV-B rays.
Low frequency noise effects on the periodontium of the Wistar rat - a light microscopy study 2007; 11(1): 27-30
Comparisons of behavioral and neurochemical characteristics between WKY, WKHA, and Wistar rat strains.
Group BMP-7 protein expression (%) Mean [+ or -] SD p of rat Number 1 2 3 4 5 I 19.8 23.8 24.2 0.38 20.4 17.71 [+ or -] 9.8 II 22.5 29.3 32.9 19.5 14.4 23.72 [+ or -] 7.4 III 26.8 32.1 27.4 22.1 18.1 25.3 [+ or -] 5.3 0.018 (*) IV 28.1 18.4 34.9 15.6 37.7 26.94 [+ or -] 9.7 V 38.2 45.9 46.1 56.1 33.9 44.04 [+ or -] 8.5 (*) significant difference of mean in Wistar rat group (p<0.05) Table 2: ExtraglomerulerBMP-7 protein expression (group I and II=negative control; group III, IV and V=8% NaCl+telmisartan 3, 6 and 12 mg/kg BW).
Lead II can be achieved in the Wistar rat by placement of the negative electrode near the right shoulder and the positive electrode to the left of the xyphoid space, in the same way as the Einthoven triangle (right arm position in the negative electrode and left leg position in the positive electrode).
27) Prahastuti, S., Tjahjani, S., Hartini, E., Effects Leaf Infuse Salam (Syzygium polyanthum (Wight) Walp) to decrease total blood cholesterol levels Dyslipidemia strain Wistar Rat Model.
Wistar rat is a common strain used in these animal studies on stevia (Yesmine, Connolly, Hill, Coulson, & Fenning, 2013).
In the case of genetically heterogeneous rodent lines (also called outbred lines), which include the Wistar rat line, the selection may be used in favor of traits of interest in animal breeding (FERREIRA et al., 2005).
A freshly prepared STZ solution of 90 mg/kg in citrate buffer (pH 4.5) was injected intraperitoneally (i.p.) to 2-day-old Wistar rat pups to obtain the model of non-obese type 2 diabetic rats.