What's the difference between mouse and rat?

Mouse


Definition:

  • (n.) Any one of numerous species of small rodents belonging to the genus Mus and various related genera of the family Muridae. The common house mouse (Mus musculus) is found in nearly all countries. The American white-footed, or deer, mouse (Hesperomys leucopus) sometimes lives in houses. See Dormouse, Meadow mouse, under Meadow, and Harvest mouse, under Harvest.
  • (n.) A knob made on a rope with spun yarn or parceling to prevent a running eye from slipping.
  • (n.) Same as 2d Mousing, 2.
  • (n.) A familiar term of endearment.
  • (n.) A dark-colored swelling caused by a blow.
  • (n.) A match used in firing guns or blasting.
  • (v. i.) To watch for and catch mice.
  • (v. i.) To watch for or pursue anything in a sly manner; to pry about, on the lookout for something.
  • (v. t.) To tear, as a cat devours a mouse.
  • (v. t.) To furnish with a mouse; to secure by means of a mousing. See Mouse, n., 2.

Example Sentences:

  • (1) The liver metastasis was produced by intrasplenic injection of the fluid containing of KATOIII in nude mouse and new cell line was established using the cells of metastatic site.
  • (2) BL6 mouse melanoma cells lack detectable H-2Kb and had low levels of expression of H-2Db Ag.
  • (3) Microionophoretically applied excitatory amino acids induced firing of extracellularly recorded single units in a tissue slice preparation of the mouse cochlear nucleus, and the similarly applied antagonist 2-amino-5-phosphonovalerate (2APV) was demonstrated to be a selective N-methyl-D-aspartate (NMDA) receptor antagonist.
  • (4) Serial sections of mouse foetal liver, during the 9th and 16th days of gestation, were studied.
  • (5) The promoters of the adenovirus 2 major late gene, the mouse beta-globin gene, the mouse immunoglobulin VH gene and the LTR of the human T-lymphotropic retrovirus type I were tested for their transcription activities in cell-free extracts of four cell lines; HeLa, CESS (Epstein-Barr virus-transformed human B cell line), MT-1 (HTLV-I-infected human T cell line without viral protein synthesis), and MT-2 (HTLV-I-infected human T cell line producing viral proteins).
  • (6) 10D1 mAb induced a substantial proliferation of peripheral blood T cells when cross-linked with goat anti-mouse Ig antibody.
  • (7) The effects of in vivo administration of native prostaglandin E2 (PGE) on the cycling status of the granulocyte-monocyte progenitor cell (CFU-GM) were examined in a mouse model.
  • (8) The increase in red blood cell mass was associated with an elevation in erythropoietic stimulatory activity in serum, pleural fluid, and tumor-cyst fluid as determined by the exhypoxic polycythemic mouse assay.
  • (9) Implantation of the mouse embryo involves the invasion of the secondary trophoblast giant cells of the ectoplacental cone (EPC) into the uterine decidua.
  • (10) It is concluded that in the mouse model the ability of buspirone to reduce the aversive response to a brightly illuminated area may reflect an anxiolytic action, that the dorsal raphe nucleus may be an important locus of action, and that the effects of buspirone may reflect an interaction at 5-hydroxytryptamine receptors.
  • (11) The expression of the mRNA for mouse testicular lactate dehydrogenase (LDH-X) was examined by RNA:cDNA hybridization in situ in the testis and by Northern analyses of meiotic and postmeiotic spermatogenic cell populations.
  • (12) These results provide evidence that trait selection can change gonadotrophin receptor concentration and the dynamics of hormone secretion during the oestrous cycle of the mouse.
  • (13) In the triploids, the 40 female chromosomes present (mouse, n = 20) were derived from a single diploid pronucleus formed after the extrusion of a first polar body, and following the monospermic fertilization of primary oocytes.
  • (14) These results do not support the view that in the rat pheromones from adult males enhance puberty in females, contrary to what is known to happen in the mouse.
  • (15) Stable factor-dependent B-cell hybridomas were used to monitor the purification of the growth factor from the supernatant of a clonotypically stimulated mouse helper T-cell clone.
  • (16) Human GH did not alter basal cyclic AMP levels in mouse osteoblasts.
  • (17) DNA from 9% (47 of 529) of the E. coli colonies tested hybridized with the ST probe, whereas only 5% (28 of 529) produced ST as measured by the suckling mouse bioassay.
  • (18) We previously established that the binding constant (Ka) of this receptor site for the chemically synthesized model AGE, 2-(2-furoyl)-4(5)-(2-furanyl)-1H- imidazole-butyric acid (FFI-BA), on cells of the mouse macrophagelike cell line RAW 264.7 is identical to that for AGE proteins.
  • (19) The nature, intracellular distribution, and role of proteins synthesized during meiotic maturation of mouse oocytes in vitro have been examined.
  • (20) The relative contributions of transcriptional and posttranscriptional regulation of gene expression to the increase in constitutively expressed cellular proteins were examined in mouse kidneys undergoing compensatory growth following unilateral nephrectomy (UNI-NX).

Rat


Definition:

  • (n.) One of several species of small rodents of the genus Mus and allied genera, larger than mice, that infest houses, stores, and ships, especially the Norway, or brown, rat (M. decumanus), the black rat (M. rattus), and the roof rat (M. Alexandrinus). These were introduced into America from the Old World.
  • (n.) A round and tapering mass of hair, or similar material, used by women to support the puffs and rolls of their natural hair.
  • (n.) One who deserts his party or associates; hence, in the trades, one who works for lower wages than those prescribed by a trades union.
  • (v. i.) In English politics, to desert one's party from interested motives; to forsake one's associates for one's own advantage; in the trades, to work for less wages, or on other conditions, than those established by a trades union.
  • (v. i.) To catch or kill rats.

Example Sentences:

  • (1) All rats were examined in the conscious, unrestrained state 12 wk after induction of diabetes or acidified saline (pH 4.5) injection.
  • (2) It was tested for recovery and separation from other selenium moieties present in urine using both in vivo-labeled rat urine and human urine spiked with unlabeled TMSe.
  • (3) It is supposed that delta-sleep peptide along with other oligopeptides is one of the factors determining individual animal resistance to emotional stress, which is supported by significant delta-sleep peptide increase in hypothalamus in stable rats.
  • (4) The microsomal preparations from untreated Syrian golden hamster livers exhibited higher activities of N-demethylation towards the macrolide antibiotics, erythromycin and troleandomycin, than those from untreated and phenobarbital-treated rats.
  • (5) Phospholipid methylation in human EGMs is distinctly different from that in rat EGMs (Hirata and Axelrod 1980) in that the human activity is not Mg++-dependent, and apparent methyltransferase I activity is located in the external membrane surface.
  • (6) Biochemical, immunocytochemical and histochemical methods were used to study the effect of chronic acetazolamide treatment on carbonic anhydrase (CA) isoenzymes in the rat kidney.
  • (7) In conclusion, in S-rats a glucose-stimulated insulin release is accompanied by an increase in IBF, but this is not observed in P-rats.
  • (8) Competition with the labelled 10B12 MAb for binding to the purified antigen was demonstrated in sera of tumor-bearing and immune rats.
  • (9) Nutritionally rehabilitated animals had similar numbers of nucleoli to control rats.
  • (10) This study examined the [3H]5-HT-releasing properties of 3,4-methylenedioxymethamphetamine (MDMA) and related agents, all of which cause significant release of [3H]5-HT from rat brain synaptosomes.
  • (11) Addition of phospholipase A2 from Vipera russelli venom led to a significant increase in the activity of guanylate cyclase in various rat organs.
  • (12) Spontaneous locomotor activity was lower in naloxone-infused rats on day 3 only.
  • (13) The LD50 of the following metal-binding chelating drugs, EDTA, diethylenetriaminepentaacetic acid (DTPA), hydroxyethylenediaminetriacetic acid (HEDTA), cyclohexanediaminotetraacetic acid (CDTA) and triethylenetetraminehexaacetic acid (TTHA) was evaluated in terms of mortality in rats after intraperitoneal administration and was found to be in the order: CDTA greater than EDTA greater than DTPA greater than TTHA greater than HEDTA.
  • (14) We have investigated a physiological role of endogenous insulin on exocrine pancreatic secretion stimulated by a liquid meal as well as exogenous secretin and cholecystokinin octapeptide (CCK-8) in conscious rats.
  • (15) The subcellular distribution of sialyltransferase and its product of action, sialic acid, was investigated in the undifferentiated cells of the rat intestinal crypts and compared with the pattern observed in the differentiated cells present in the surface epithelium.
  • (16) However, the groups often paused less and responded faster than individual rats working under identical conditions.
  • (17) After 55 days of unrestricted food availability the body weight of the neonatally deprived rats was approximately 15% lower than that of the controls.
  • (18) To examine the central nervous system regulation of duodenal bicarbonate secretion, an animal model was developed that allowed cerebroventricular and intravenous injections as well as collection of duodenal perfusates in awake, freely moving rats.
  • (19) In the present investigation we monitored the incorporation of [14C] from [U-14C]glucose into various rat brain glycolytic intermediates of conscious and pentobarbital-anesthetized animals.
  • (20) Gel filtration of the 40,000 rpm supernatant fraction of a homogenate of rat cerebral cortex on a Sepharose 6B column yielded two fractions: fraction II with the "Ca(2+) plus Mg(2+)-dependent" phosphodiesterase activity and fraction III containing its modulator.

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