(n.) A portion of a curved line; as, the arc of a circle or of an ellipse.
(n.) A curvature in the shape of a circular arc or an arch; as, the colored arc (the rainbow); the arc of Hadley's quadrant.
(n.) An arch.
(n.) The apparent arc described, above or below the horizon, by the sun or other celestial body. The diurnal arc is described during the daytime, the nocturnal arc during the night.
Example Sentences:
(1) The scleral arc length is slightly longer than the chord length (caliper setting).
(2) These later results suggest that dopamine agonists increase sensorimotor reactivity measured with acoustic startle by acting on sensory rather than motor parts of the reflex arc.
(3) Thus, the decreased hyperemic response after arrest suggests a reduced energetic debt with CSC compared with ARC and may indicate superior myocardial protection with CSC.
(4) By contrast, patients with urological symptoms had a significantly increased prevalence of spina bifida occulta at S1 and S2 and a higher level of opening of posterior sacral arcs.
(5) The peptide-TR-FIA is specific, as assessed by testing HIV-1 positive sera which included samples from AIDS, ARC patients and HIV-positive drug users.
(6) In a multivariate regression model noncompliance was significantly associated with the absence of AIDS or ARC (p less than 0.001), homelessness (p less than 0.005), and alcoholism (p less than 0.05).
(7) This protein did show an immunoglobulin arc on immunoelectrophoresis against abovementioned antibody and against rabbit anti mouse Ig serum.
(8) Looping the tail of a "g", flicking the line up from the end of an "m", arcing it over an "a" or an "o".
(9) In contrast, the relative percentage of polyunsaturated fatty acids was 85% greater than normal (P less than 0.001) in ARC and 100% greater than normal (P less than 0.001) in AIDS-I patients.
(10) Average range of motion was from 17.1 degrees to 44.3 degrees, with an arc of 27.2 degrees.
(11) A subsequent S3 encountered further nonuniformly shortened refractoriness (normal areas had shortened refractoriness greater than ischemic areas) and the arc of block was lengthened.
(12) The technique consists of 3 pairs of non-coplanar arcs using a 4 MV accelerator.
(13) Experiments following depletion of norepinephrine suggest that the central part of the baroreceptor reflex arc does not contain adrenergic neurons.
(14) High concentrations of SST inhibited virus replication in 80% of LC from ARC patients, but were completely ineffective in LC from AIDS patients.
(15) In our series of 46 patients with Ad35 isolates, 36 had AIDS or AIDS-related complex (ARC), seven patients were immunocompromised because of other diseases, and three patients were "normal."
(16) The possibility of contaminating the breathing air zone with hazardous substances in manual and semi-automated welding increases with the intensity of their formation in the arc zone.
(17) Optical differences between a mercury arc lamp and a laser-illuminated flow cytometer are compared.
(18) In this report, we have compared homogeneous yeast (Saccharomyces cerevisiae) pyruvate kinase to enzyme from cell-free extracts in several different ways: 1) isoelectric focusing of cell-free extracts indicates one peak of pyruvate kinase activity whose isoelectric point is the same as that of the pure enzyme; 2) antibody prepared to the pure enzyme produces a single, fused precipitin line against enzyme in the cell-free extract and pure enzyme; 3) immunoelectrophoresis of cell-free extract produces one precipitin arc which has the same mobility as that of the pure enzyme; and 4) immunoprecipitation of the pure enzyme from cell-free extract with subsequent solubilization in 1% sodium dodecyl sulfate and electrophoresis on sodium dodecyl sulfate-polyacrylamide gels produces a single protein band attributable to pyruvate kinase which co-migrates with the purified enzyme.
(19) There were no significant differences in ARn concentrations in eight other nuclei that were examined for significant sex differences in ARc levels observed under these experimental conditions.
(20) Cells from subjects with ARC had a selective antigen recognition defect independent of the number of CD4+ lymphocytes.
Arf
Definition:
Example Sentences:
(1) We have previously shown that, with moderate hydration (2.5 L) of the recipient, together with rapid infusion of 250 ml of mannitol 20% just before clamp removal, the incidence of ARF decreased to below 10%.
(2) The factors predisposing to and complicating acute renal failure (ARF) in the medical intensive care unit (ICU), and their relative influence on outcome during ARF are unclear.
(3) Frusemide has been given to try to prevent this change in glycerol-induced ARF because of its effect in redistributing renal blood flow from medulla to cortex.
(4) Five different human ARFs have been identified by cDNA cloning.
(5) Studies of calcium antagonists in humans with ARF have been confined to patients undergoing renal transplantation.
(6) With an additional procedure of adrenalectomy (BN + Ax), the enzyme activity failed to show any increase in ARF rats produced by BN.
(7) Glycerol-induced ARF in rats or rabbits has been studied to investigate the pathogenesis of myoglobinuria-associated ARF.
(8) The results demonstrate that redistribution of ARF to the vesicle membrane correlates with the intravesicular pH established by a vacuolar-type H(+)-ATPase.
(9) Uptake of tetraethylammonium with or without an H+ gradient was decreased in membrane vesicles from ARF rats compared with normal rats.
(10) Hybridization of a bovine ARF 2 cDNA under low stringency with mammalian poly(A)+ RNA resulted in multiple bands that were subsequently assigned to the known ARF genes using ARF-specific oligonucleotide probes.
(11) (2) The interstitium of the cortex and of the outer stripe of the outer medulla is significantly widened in most cases of ARF.
(12) These were characterized by ballooning of the capillaries, thickening and splitting of glomerular basement membrane (GMB), fibrin thrombi in the capillaries, and mesangial cell proliferation most prominently seen in Ecchis carinatus bites resulting in ARF.
(13) ARF was centered in the inner city, where the incidence among black children reached 15.21.
(14) The renin-angiotensin system does not seem to contribute to the reduction of renal function in norepinephrine-induced ARF in dogs.
(15) It is concluded that reciprocal changes in RA and RE are the immediate cause of filtration failure in this form of ARF and that, in the virtual absence of filtration, tubular leakage can play no important role.
(16) No significant differences were present between both groups when they were analyzed for ARF incidence (15% vs 23.8%); overall incidence was 19.5%.
(17) Hospital records from all Swedish children 0-15 years old diagnosed as having acute rheumatic fever (ARF) during 1971-80 were studied.
(18) The spectrum and outcome of acute renal failure (ARF) were studied in 205 children aged between 1 month and 12 yr.
(19) Its presence in Giardia is consistent with the view that ARF emerged before the divergence of this protozoan from other eukaryotes (approximately 1.5 billion years ago), and that an ARF-like protein may have been the ancestor of several other classes of signal-transducing guanine nucleotide-binding proteins, including the alpha subunits of the heterotrimeric G proteins.
(20) The rate of carditis (3 of 10 patients) was similar to that in older studies of adults with ARF.