(n.) A Latin god of commerce and gain; -- treated by the poets as identical with the Greek Hermes, messenger of the gods, conductor of souls to the lower world, and god of eloquence.
(n.) A metallic element mostly obtained by reduction from cinnabar, one of its ores. It is a heavy, opaque, glistening liquid (commonly called quicksilver), and is used in barometers, thermometers, ect. Specific gravity 13.6. Symbol Hg (Hydrargyrum). Atomic weight 199.8. Mercury has a molecule which consists of only one atom. It was named by the alchemists after the god Mercury, and designated by his symbol, /.
(n.) One of the planets of the solar system, being the one nearest the sun, from which its mean distance is about 36,000,000 miles. Its period is 88 days, and its diameter 3,000 miles.
(n.) A carrier of tidings; a newsboy; a messenger; hence, also, a newspaper.
(n.) Sprightly or mercurial quality; spirit; mutability; fickleness.
(n.) A plant (Mercurialis annua), of the Spurge family, the leaves of which are sometimes used for spinach, in Europe.
(v. t.) To wash with a preparation of mercury.
Example Sentences:
(1) There is a considerably larger variability of the mercury levels in urine than in blood.
(2) Mercury compounds and EDTA were found to be potent inhibitors of proteinase yscJ activity.
(3) The effects of postnatal methyl mercury exposure on the ontogeny of renal and hepatic responsiveness to trophic stimuli were examined.
(4) The fact that it is still used is regrettable yet unavoidable at present, but the average quantity is three times less than the mercury released into the atmosphere by burning the extra coal need to power equivalent incandescent bulbs.
(5) As yet the observations demonstrate that workers exposed in their occupation to heavy metals (cadmium, lead, metalic mercury) and organic solvents should be subjected to special control for detection of renal changes.
(6) Concern about the safety of the patient and dental personnel does exist, however, due to the possibilities of mercury poisoning.
(7) In order to determine the specific action of cadmium on bone metabolism, the effect of cadmium on alkaline phosphatase activity, a marker enzyme of osteoblasts, was compared with that of other divalent heavy metal ions, i.e., zinc, manganese, lead, copper, nickel and mercury (10 microM each), using cloned osteoblast-like cells, MC3T3-E1.
(8) Inorganic mercury as HgSO4 or HgCl2, at dietary levels up to 200 p.p.m.
(9) An analysis of the clinical markers indicated no clear relationship between elevated urinary mercury concentrations and kidney dysfunction.
(10) In vivo the administration of captopril prevented the toxic effects of mercury poisoning on membrane permeability, oxidative phosphorylation and Ca++ homeostasis.
(11) Histological changes were similar in inorganic and methyl mercury treated fish except the higher intensity observed in the latter treatment.
(12) Unlike other eukaryotic enzymes, the plant enzyme showed no activation with organic mercurials and was inhibited by urea and KCl.
(13) Postoperative APR improved to 86.3 millimeters of mercury and ABI to 0.63 (p less than 0.05).
(14) Attempts to induce mercury resistance in the aerobic isolates were successful, but no induction was seen in the anaerobes.
(15) High concentrations of mercury, cadmium, and lead have also been observed in urban soils.
(16) In the presence of peripheral vasodilatation, adequate blood flow can be expected after such bypass grafts at blood pressures as low as 80 millimeters of mercury and hypotension per se does not produce vascular steal.
(17) A transistor radio activated by a mercury switch was used to reinforce head posture in two retarded children with severe cerebral palsy.
(18) This species, therefore, seems to be about twice as sensitive to the neurotoxic properties of methyl mercury salts as the laboratory rat.
(19) Under this condition, MeHg- and Hg(++)-induced increases in fluorescence were associated with depolarization of psi p. A second approach was used to assess changes in psi p. In synaptosomes, the magnitude of the increase in fluorescence resulting from depolarization of psi p with a stimulus of constant intensity is a function of the resting psi p. The fluorescence response to depolarization of synaptosomes previously exposed to either MeHg or Hg++ (1-20 microM each) was reduced in a concentration-dependent manner relative to mercury-free controls.
(20) Of the tubular cell ultrastructures, the lysosome was the most sensitive to mercury, and there was a close relation between the excretion of urinary mercury and the mercury detoxication mechanism of the kidney.
Messenger
Definition:
(n.) One who bears a message; the bearer of a verbal or written communication, notice, or invitation, from one person to another, or to a public body; specifically, an office servant who bears messages.
(n.) One who, or that which, foreshows, or foretells.
(n.) A hawser passed round the capstan, and having its two ends lashed together to form an endless rope or chain; -- formerly used for heaving in the cable.
(n.) A person appointed to perform certain ministerial duties under bankrupt and insolvent laws, such as to take charge og the estate of the bankrupt or insolvent.
Example Sentences:
(1) These results demonstrate that increased availability of galactose, a high-affinity substrate for the enzyme, leads to increased aldose reductase messenger RNA, which suggests a role for aldose reductase in sugar metabolism in the lens.
(2) Mitogen-stimulated cells always contain substantially higher levels of LDL receptor messenger RNA than corresponding resting cells.
(3) In AtT-20 cells somatostatin inhibits the secretion of adrenocorticotropic hormone (ACTH) through the activation of GTP binding proteins (G proteins) linked to second messengers such as calcium and cyclic AMP (cAMP).
(4) The longest of the cDNA clones (1507 nucleotides) apparently originated from an unprocessed messenger RNA, since the nucleotide sequence encoding BNP-26 was interrupted by an intron of 554 nucleotides.
(5) This suggests that two independent second messenger systems may affect the same potassium conductance.
(6) Epinephrine potentiates muscle twitches via the second messenger, cAMP, secondary to hormone binding to membrane-bound beta-receptors.
(7) The 5'-terminal methylated cap (m7G(5')ppp(5')Gm) in reovirus messenger RNA comprises part of the ribosomes binding site, since attachment of 40 S wheat germ ribosomal subunits to reovirus small (s), medium (m), and large (l) RNA classes conferred almost complete protection of the cap against RNase digestion.
(8) Hydrolysis of PIP2 also produces DG, which has a messenger role in activating a specific protein kinase, the C kinase.
(9) In order to determine which second-messenger pathways mediate NE induction of TIS gene expression, the influences of the beta(B) antagonist propranolol (PR), the alpha I(AI) antagonist prazosin (PZ), and the alpha 2(A2) antagonist yohimbine (YB) were examined.
(10) The temporal changes in subunit messenger RNA levels in the cerebellum raise the possibility that synaptogenesis may play a role in receptor gene regulation in this brain region.
(11) The other homologous elements are located within the messenger RNA leader and may be associated with selection of messenger RNA start points.
(12) Stimulation of membrane phospholipid hydrolysis by receptor tyrosine kinases is one such pathway for generating intracellular second messengers that may be important for mitogenesis.
(13) In this study, we examined intracellular Ca2+ movement as one of the second messengers for human hepatocyte growth factor in primary-cultured hepatocytes.
(14) In the presence of 3-isobutyl-1-methylxanthine, stimulation induced an accumulation of cAMP, making possible the NMR detection of the second messenger in living cells grown on microcarrier beads and perfused in the NMR tube.
(15) The cell membrane, in addition to other functions, plays an important role in regulating cell metabolism governed by messenger proteins (or other substances) acting from the outside.
(16) Since several cell types, including astroglial, microglial, and vascular cells, can generate IL-1 upon appropriate stimulation, we examined whether IL-1 is formed in the CNS and may therefore serve as a messenger for systemic noxae.
(17) Facebook is also going to make payments a key part of Facebook Messenger sooner rather than later.
(18) We found parallel changes in the excretion of ANP's second messenger cyclic guanosine monophosphate (cGMP) in a dose-response-related manner to natriuresis respectively diuresis.
(19) We have examined a number of human adult tumors for IGF messenger RNA (mRNA) expression and found IGF-II mRNA levels were consistently elevated in two types, colon carcinoma and liposarcoma.
(20) The five proteins programmed in a cell-free system by a mouse kappa light chain messenger RNA were labeled with [3H]leucine and subjected to amino acid sequence analyses.