(n.) An elementary substance; a metal which combined with oxygen forms lime. It is of a pale yellow color, tenacious, and malleable. It is a member of the alkaline earth group of elements. Atomic weight 40. Symbol Ca.
Example Sentences:
(1) In studies of calcium metabolism in 13 unselected patients with untreated sarcoidosis all were normocalcaemic but five had hypercalcuria.
(2) After stimulation with lipopolysaccharide and calcium ionophore A23187, culture supernatants of clones c18A and c29A showed cytotoxic activity against human melanoma A375 Met-Mix and other cell lines which were resistant to the tumor necrosis factor, lymphotoxin and interleukin 1.
(3) The half-life of 45Ca in the various calcium fractions of both types of bone was 72 hours in both the control and malnourished groups except the calcium complex portion of the long bone of the control group, which was about 100 hours.
(4) Calcium alginate dressings have been used in the treatment of pressure ulcers and leg ulcers.
(5) of PLA2 caused marked degranulation of mast cells in the rat mesentery which was facilitated by addition of calcium ion (10 mM) but antagonized by pretreating with three antiinflammatory agents.
(6) Thus adrenaline, via pre- and post-junctional adrenoceptors, may contribute to enhanced vascular smooth muscle contraction, which most likely is sensitized by the elevated intracellular calcium concentration.
(7) It includes preincubation of diluted plasma with ellagic acid and phospholipids and a starting reagent that contains calcium and a chromogenic peptide substrate for thrombin, Tos-Gly-Pro-Arg-pNA.
(8) The results show that endolymph is extremely inhomogenous with respect to calcium potentials.
(9) The occupation of the high affinity calcium binding site by Ca(II) and Mn(II) does not influence the Cu(II) binding process, suggesting that there is no direct interaction between this site and the Cu(II) binding sites.
(10) This was unlike the action of the calcium channel blocker, cadmium, which reduced the calcium action potential and the a.h.p.
(11) Increases in extracellular calcium antagonized the negative inotropic effect.
(12) Plasma membranes were isolated from rat kidney and their transport properties for sodium, calcium, protons, phosphate, glucose, lactate, and phenylalanine were investigated.
(13) In experiments performed to determine whether PtdIns(4,5)P2 hydrolysis induced by TRH may have been caused by the elevation of [Ca2+]i, the following results were obtained: the effect of TRH to decrease the level of PtdIns(4,5)P2 was not reproduced by the calcium ionophore A23187 or by membrane depolarization with 50 mM K+; the calcium antagonist TMB-8 did not inhibit the TRH-induced decrease in PtdIns(4,5)P2; and, most importantly, inhibition by EGTA of the elevation of [Ca2+]i did not inhibit the TRH-induced decrease in PtdIns(4,5)P2.
(14) The distribution of gelsolin, a calcium-dependent actin-severing and capping protein, in the retina of the developing and adult rabbit was studied.
(15) In K+-depolarized basilar arteries, ifenprodil competitively antagonized the response to Ca2+, and this was enhanced by pre-incubation in calcium hopantenate.
(16) Thirty of the 32 women of the calcitonin group and 27 of 28 women of the calcium group finished treatment.
(17) The influence of calcium ions on the electrophoretic properties of phospholipid stabilized emulsions containing various quantities of the sodium salts of oleic acid (SO), phosphatidic acid (SPA), phosphatidylinositol (SPI), and phosphatidylserine (SPS) was examined.
(18) Hypercalcitoninemia was the most pronounced in patients with cardiac rhythm disorders and a simultaneous reduction in total serum calcium.
(19) The effects of low doses of dihydropyridine (DHP) calcium channel antagonists nimodipine, nifedipine, (-)-R-202-791, and amlodipine, the DHP calcium channel agonist BAY K 8644 were investigated on clonic convulsions to pentylenetetrazole (PTZ) in mice.
(20) A comprehensive review of the roentgenographic features of calcium pyrophosphate crystal deposition disease (pseudogout) is presented.
Rock
Definition:
(n.) See Roc.
(n.) A distaff used in spinning; the staff or frame about which flax is arranged, and from which the thread is drawn in spinning.
(n.) A large concreted mass of stony material; a large fixed stone or crag. See Stone.
(n.) Any natural deposit forming a part of the earth's crust, whether consolidated or not, including sand, earth, clay, etc., when in natural beds.
(n.) That which resembles a rock in firmness; a defense; a support; a refuge.
(n.) Fig.: Anything which causes a disaster or wreck resembling the wreck of a vessel upon a rock.
(n.) The striped bass. See under Bass.
(v. t.) To cause to sway backward and forward, as a body resting on a support beneath; as, to rock a cradle or chair; to cause to vibrate; to cause to reel or totter.
(v. t.) To move as in a cradle; hence, to put to sleep by rocking; to still; to quiet.
(v. i.) To move or be moved backward and forward; to be violently agitated; to reel; to totter.
(v. i.) To roll or saway backward and forward upon a support; as, to rock in a rocking-chair.
Example Sentences:
(1) I approached the public inquiry after much soul-searching, weighing up the ramifications of "rocking the boat" with the potential longer-term gains of a more robust and sustainable regulator.
(2) He had links to networks including the Hammerskin Nation and was involved in an underground music scene often referred to as "white power music" or "hate rock".
(3) The Ibiza Rocks hotel is aimed at a young clientele who'd never make it into the VIP section of Pacha.
(4) Meanwhile, Brighton rock duo Royal Blood top this week's album chart with their self-titled album, scoring the UK's fastest selling British rock debut in three years.
(5) Facebook Twitter Pinterest Trump signs order reviving controversial pipeline projects “The Obama administration correctly found that the Tribe’s treaty rights needed to be respected, and that the easement should not be granted without further review and consideration of alternative crossing locations,” said Jan Hasselman, an attorney for the Standing Rock Sioux tribe.
(6) One species (the goldfish) has an extensive fundus circulation while the other (the rock bass) has a minimal one.
(7) You can tell them that Deutsche Bank remains absolutely rock solid, given our strong capital and risk position.
(8) Rocking the hepatocyte-splenocyte cultures changed the elution profile from linear to convex.
(9) The 180-acre imperial palace appears to send ripples through the surrounding urban grain like a rock thrown into a pond, forming the successive layers of ring-roads.
(10) Russell is a former director of Northern Rock while Crosby is the former chief executive of HBOS.
(11) Gunfire and explosions rocked Bangkok following clashes between pro-government "red shirts" and protesters, leading to fears of further violence as Thais head to the polls.
(12) "And if you're pursuing music as the equivalent of your nine-to-five, and you'd quite like to be doing that for years to come, it's in your interest not to rock the boat."
(13) It was sparked by Ferguson's decision to sue Magnier over the lucrative stud fees now being earned by retired racehorse Rock of Gibraltar, which the Scot used to co-own.
(14) The involvement of one of South Korea’s most powerful men has rocked the country’s business world, as it signalled that prosecutors were prepared to use the full force of the law against the head of a company whose revenues are equivalent to a fifth of the country’s GDP.
(15) Emotional reactivity of patients with endogenous depression and healthy test subjects towards classic and rock music was compared.
(16) The Volkswagen Group has announced €1bn (£750m) of spending cuts at its core VW division to help pay for a product overhaul following the emissions testing scandal that has rocked Europe’s biggest carmaker.
(17) Loss-making Northern Rock is axing another 680 jobs as it cuts costs in preparation for a return to the private sector after being nationalised in February 2008 .
(18) Big musical acts (such as BB King, Keith Urban and Queens of the Stone Age) appear during the summer concert lineup but there are also drop-in yoga sessions, and hiking and biking trails wind through sculpted rocks and wildflowers.
(19) Just about.” That one went over like a sublime Chris Rock riff.
(20) For a while yesterday, Hazel Blears's selfishly-timed resignation with her rude "rock the boat" brooch send shudders of revulsion through some in the party.