What's the difference between cat and purr?

Cat


Definition:

  • (n.) An animal of various species of the genera Felis and Lynx. The domestic cat is Felis domestica. The European wild cat (Felis catus) is much larger than the domestic cat. In the United States the name wild cat is commonly applied to the bay lynx (Lynx rufus) See Wild cat, and Tiger cat.
  • (n.) A strong vessel with a narrow stern, projecting quarters, and deep waist. It is employed in the coal and timber trade.
  • (n.) A strong tackle used to draw an anchor up to the cathead of a ship.
  • (n.) A double tripod (for holding a plate, etc.), having six feet, of which three rest on the ground, in whatever position in is placed.
  • (n.) An old game; (a) The game of tipcat and the implement with which it is played. See Tipcat. (c) A game of ball, called, according to the number of batters, one old cat, two old cat, etc.
  • (n.) A cat o' nine tails. See below.
  • (v. t.) To bring to the cathead; as, to cat an anchor. See Anchor.

Example Sentences:

  • (1) Cantact placing reaction times were measured in cats which were either restrained in a hammock or supported in a conventional way.
  • (2) The oral nerve endings of the palate, the buccal mucosa and the periodontal ligament of the cat canine were characterized by the presence of a cellular envelope which is the final form of the Henle sheath.
  • (3) Oral administration in domestic cats causes malignant hepatomas and tumors of the esophagus and kidney.
  • (4) Midsagittal or parasagittal pontomedullary brainstem incisions were performed in 4 cats.
  • (5) This unusual insertion could affect the interaction of cat CD4 with class II molecules, or with FIV, a feline homolog of HIV.
  • (6) We found that, although controlled release delivery of ddC inhibited de novo FeLV-FAIDS replication and delayed onset of viremia when therapy was discontinued (after 3 weeks), an equivalent incidence and level of viremia were established rapidly in both ddC-treated and control cats.
  • (7) Two lectins, wheat germ agglutinin (WGA) and peanut agglutinin (PNA), were used to compare domains within the interphotoreceptor matrices (IPM) of the cat and monkey, two species where the morphological relationship between the retinal pigment epithelium (RPE) and photoreceptors is distinctly different.
  • (8) In Group B, at 1, 2, 4, 9 and 12 months post infection two cats were necropsied.
  • (9) Additionally, cats excreted the taurine conjugate of hydratropic acid.
  • (10) It is clear that before general release of a new living feline infectious enteritis vaccine, there must be satisfactory evidence that concurrent infection will not affect the safety of the modified antigen.In cats infected with feline infectious enteritis there appears to be a short period, coinciding with the onset of leucopaenia, during which they are highly infectious.
  • (11) Electron microscopic observations of the masseter nerve in the aged cats revealed a disruption of the myelin sheaths and a pronounced increase in collagen fibers in the endoneurium and perineurium.
  • (12) The calcium entry blocker nimodipine was administered to cats following resuscitation from 18 min of cardiac arrest to evaluate its effect on neurologic and neuropathologic outcome in a clinically relevant model of complete cerebral ischemia.
  • (13) A microdissection of the orbital nerves of the cat was made paying particular attention to the accessory ciliary ganglion.
  • (14) In cat, DARPP-32-immunoreactive cell bodies identified as Müller cells were demonstrated in the inner nuclear layer (INL) with processes closely surrounding the cell soma of photoreceptors in the outer nuclear layer.
  • (15) Moreover, 8 of 10 cats in the 10% HAES group showed extravasation of red cells.
  • (16) In the anesthetized cat, the posterior canal nerve (PCN) was stimulated by electric pulses and synaptic responses were recorded intracellularly in the three antagonistic pairs of extraocular motoneurons.
  • (17) Pharmacokinetics of 3H-dihydrodigoxin and 3H-digoxin after single intravenous and intraduodenal administration in cats are compared.
  • (18) This documents the inhibitory role which lithium can play in several examples of animal aggressive behavior including pain-elicited aggression, mouse killing in rats, isolation-induced aggression in mice, p-chlorophenylalanine-induced aggression in rats, and hypothalamically induced aggression in cats.
  • (19) When PCR products in each of the 12 cats were subjected to a second amplification using the same primer pair (two-step amplification: double PCR), FIV proviral DNA was detected in all of the cats.
  • (20) Staphylococcus aureus was isolated from 9 dogs and 4 cats, and staphylococcus epidermidis from 7 dogs and 5 cats.

Purr


Definition:

  • (v. i. & t.) To murmur as a cat. See Pur.
  • (n.) The low murmuring sound made by a cat; pur. See Pur.

Example Sentences:

  • (1) Expression of glyA, encoding serine hydroxymethyltransferase activity, was elevated in a purR mutant compared with a wild-type strain.
  • (2) A bulldozer on rail wheels purrs up on the other line and begins pawing at the stones.
  • (3) At the place where adorable meets obnoxious and the purr becomes a shriek, Leslie Mann is waiting to unload a howitzer of funny in your face.
  • (4) Nitrogen control was found to be mediated by the glnLG gene products, and purine repression required a functional purR gene product.
  • (5) Though I could have sworn that you did actually purr,” Dave recalled.
  • (6) AMP but not GMP is needed for binding, and purR mutants are deficient in the binding substance.
  • (7) The PurR protein bound specifically to a DNA fragment carrying the glyA control region, as determined by gel retardation.
  • (8) Cross pathway regulation of pyrC by PurR may provide one mechanism to coordinate synthesis of purine and pyrimidine nucleotides.
  • (9) "Oh, the lords absolutely love Justin," purrs one senior peer.
  • (10) Both operator constitutive and repressor type (purR) mutations have been identified.
  • (11) The purR product functions in the common control of several genetically distinct enzymes that participate before the formation of IMP.
  • (12) The regulation of the guanine operon is regulated by some other mechanism independent of purR.
  • (13) A highly conserved sequence in the promoter regions of these two genes is similar to the pur operator, which is the binding site for the purine repressor (PurR).
  • (14) Gene purB is regulated threefold by the purine pool and purR.
  • (15) The purEK operon is regulated by the purR gene product, and a purR regulatory-protein-binding site related to the sequences found in other pur loci was identified in the purEK operon control region.
  • (16) In the film, there is a killingly funny vignette in which Joshua McGuire’s Ruskin, who cannot pronounce his Rs, purrs with self-satisfaction at his own ideas – the critic who got the cream.
  • (17) Analysis of a purR-lacZ transcriptional fusion indicated that purR expression is autoregulated.
  • (18) Mutations that changed the binding sequence toward the consensus sequence had no significant effect on either PurR binding or purine-mediated repression.
  • (19) Site-directed mutagenesis was used to change the PurR binding site in the control region of a glyA-lac gene fusion.
  • (20) Two independent purR mutations were isolated which abolished repression of purF and purF-lacZ.