(n.) The regular form which a substance tends to assume in solidifying, through the inherent power of cohesive attraction. It is bounded by plane surfaces, symmetrically arranged, and each species of crystal has fixed axial ratios. See Crystallization.
(n.) The material of quartz, in crystallization transparent or nearly so, and either colorless or slightly tinged with gray, or the like; -- called also rock crystal. Ornamental vessels are made of it. Cf. Smoky quartz, Pebble; also Brazilian pebble, under Brazilian.
(n.) A species of glass, more perfect in its composition and manufacture than common glass, and often cut into ornamental forms. See Flint glass.
(n.) The glass over the dial of a watch case.
(n.) Anything resembling crystal, as clear water, etc.
(1) Such a signal must be due to a small ferromagnetic crystal formed when the nerve is subjected to pressure, such as that due to mechanical injury.
(2) A comprehensive review of the roentgenographic features of calcium pyrophosphate crystal deposition disease (pseudogout) is presented.
(3) CW Nd:YAG light transmitted by fiber optic cable and sapphire crystal was applied transsclerally to the ciliary body of pigmented and albino rabbits.
(4) The crystal structure of the biological stain, "acridine orange," has been determined.
(5) Urinalysis revealed a low pH, increased ketones and bilirubin excretion, dark yellowish change in color, the appearance of "leaflet-shaped" crystals and increased red blood cells and epithelial cells in the urinary sediment, increased water intake, decreased specific gravity and decreased sodium, potassium and chloride in the urine.
(6) Early in the regression process, cholesterol esters are reduced at least partly by hydrolysis to yield cholesterol, some of which may crystallize and inhibit rapid regression.
(7) Here we determine the position of bound ADP diffused into the recA crystal.
(8) The virus material in these crystals had been subjected to treatment with EDTA at pH 8.0 before crystallization at pH 6.5.
(9) Results obtained show that chlorophyll is more active than other inhibitors studied and suggest a higher surface adsorption intensity on the primary sources of the crystal surface.
(10) The "Mg(2+)-Sarkosyl crystals" (M band) technique distinguishes between membrane-bound and free intracellular DNA.
(11) The molecular structure of the hexagonal crystal form of porcine pepsin (EC 3.4.23.1), an aspartic proteinase from the gastric mucosa, has been determined by molecular replacement using the fungal enzyme, penicillopepsin (EC 3.4.23.6), as the search model.
(12) In vitro experiments show that these macromolecules are able to interact with specific faces of different crystals, influencing both nucleation and crystal growth.
(13) 2 Each of the drugs significantly increased leucocyte cyclic AMP content within 3 h of the injection of crystals.
(14) For Kevin Phillips, just like Wilfried Zaha, this might have been his final act as a Crystal Palace player.
(15) In ancillary studies, multiple cycles of direct dissolution of UCB crystals revealed a progressive decrease in aqueous solubility of UCB as fine crystals were removed; this effect was minimal in CHCl3.
(16) Six dogs were instrumented with electromagnetic flow probes and subendocardial ultrasonic crystals.
(17) The crystallization of the lipase was successfully carried out.
(18) The values of the energy level distributions in crystals obtained from the measurements and analysis reported here are compared with those obtained by a different method for the same protein complex in frozen solution.
(19) The crystal structure of proteolytically modified human ACT has been solved at 2.7-A resolution (Baumann et al., 1991).
(20) These observations support our hypothesis that calcium pyrophosphate dihydrate crystal deposition in joints is regulated by the physical chemical gel state of the connective tissue matrix.
Meth
Definition:
(n.) See Meathe.
Example Sentences:
(1) The degree of increase in Meth responsiveness elicited by the initial provocation is a major factor in determining the airway response to a subsequent HS challenge.
(2) Enhanced H2O2 generation was observed in PMP activated by long-term stimulation followed by triggering with PMA, but not observed by triggering with Meth A cells.
(3) Known as crank, crystal, ice, crystal meth, and speed, MAP can be produced easily from ephedrine, and it is widely available.
(4) You are hunting for signs of the assembly of injuries - a broken nose, knocked-out teeth, fractured eye socket - incurred by falling face-first down a fire escape in Michigan while high on crystal meth, crack cocaine and cheap wine.
(5) The interaction between the MetR activator protein and the S. typhimurium metH control region was investigated.
(6) The Dyn system associated with the nucleus accumbens responded in a similar manner in that MK801 totally blocked the METH-induced increases; moreover, NMDA elevated the Dyn content in this structure.
(7) The vitamin B12 (B12)-mediated repression of the metE gene in Escherichia coli and Salmonella typhimurium requires the B12-dependent transmethylase, the metH gene product.
(8) OK-432 at a dose of 0.1, 1 or 10 KE was administered orally every 3 days or every other day for 30 days to subcutaneously Meth A tumor-inoculated mice.
(9) Like METH, single or multiple doses of either drug caused marked reductions in both tryptophan hydroxylase (TPH) activity and concentrations of 5-hydroxytryptamine (5HT) and 5-hydroxyindoleacetic acid (5HIAA) in several brain regions.
(10) As soon as I called them and was like, 'Hey guys, it's OK, I'm not smoking meth or anything,' it was OK." He adds, frowning: "I don't really know why it happened… My girlfriend told me everyone had been saying, [he puts on a sulky voice] 'Man, Mac's shows aren't crazy any more.'
(11) Tolerance in some endocrine systems appears to be quite long-lasting, as CS, TSH and PRL responses to METH challenge were still decreased 3 weeks after withdrawal from the ID regimen.
(12) The chief executive is pinning early hopes on Breaking Bad, a gritty US drama in which a chemistry teacher with terminal cancer sets up a crystal meth lab, which was barely noticed when it aired on 5USA, although for all its merits it might not exactly be classified as family entertainment.
(13) Furthermore, F-drugs could be utilized to probe the microenvironmental pH in Meth-A cells, in which the drug was located by the ratio of fluorescent intensities at 450 and 490 nm.
(14) The induction of IFN-gamma production by in vivo tumor-sensitized T cells is tumor specific, in that spleen cells from mice immunized against Meth A fibrosarcoma can produce IFN in response to irradiated Meth A cells but not in response to another syngeneic tumor M109 lung carcinoma.
(15) Splenic cells obtained from Meth-A inoculated mice which received combination therapy were not only NK-sensitive YAC-1 and LAK-sensitive EL-4 cells, but also NK-resistant Meth-A cells, as shown in a 4-h 51Cr-release assay.
(16) In this investigation, primary myocardial cell cultures were established from 3-5-day-old Sprague-Dawley rats to describe the adverse effects of Coc and Meth on the myocardium.
(17) During a raid in 2013 on a village in Guangdong province nicknamed “China’s number one drug village”, police closed dozens of secret drug labs producing meth and ketamine and confiscated at least three tonnes of drugs worth about £142m.
(18) Pharmaceutical dosage was set at approximately 30% of the increased life span (ILS) for Meth-A.
(19) No excellent antitumor effects of three platinum complexes were observed against Lewis lung carcinoma and B16 melanoma implanted s.c. even at triple injection every other day, and no effect was obtained against Meth-A fibrosarcoma under similar conditions.
(20) Eight metH mutants in Salmonella typhimurium with closely linked sites of mutation which could grow only on methionine were isolated from a metE mutant deficient in N(5)-methyltetrahydropteroyltriglutamate-homocysteine transmethylase; their deficiency in cobalamin-dependent N(5)-methyltetrahydrofolate-homocysteine transmethylase was supported by the results of enzyme studies of one of them.