What's the difference between mercurial and perspicacious?

Mercurial


Definition:

  • (a.) Having the qualities fabled to belong to the god Mercury; swift; active; sprightly; fickle; volatile; changeable; as, a mercurial youth; a mercurial temperament.
  • (a.) Having the form or image of Mercury; -- applied to ancient guideposts.
  • (a.) Of or pertaining to Mercury as the god of trade; hence, money-making; crafty.
  • (a.) Of or pertaining to, or containing, mercury; as, mercurial preparations, barometer. See Mercury, 2.
  • (a.) Caused by the use of mercury; as, mercurial sore mouth.
  • (n.) A person having mercurial qualities.
  • (n.) A preparation containing 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.

Perspicacious


Definition:

  • (a.) Having the power of seeing clearly; quick-sighted; sharp of sight.
  • (a.) Fig.: Of acute discernment; keen.

Example Sentences:

  • (1) Attention to the details of current investigations, efforts to control the risk factors, and the perspicacious use and suitable monitoring of pharmacological agents can be expected to reduce the risks for both the pregnant patient and her attending physicians.
  • (2) The deep grooves of grief in his brow, his sunken, woeful eyes and dry parched lips a perspicacious sculpture carved in anticipation of this slap of indignity.
  • (3) Only one thing is perspicaciously clear, and that is where the hysterical arguments against change put by, among others, the Church of England will lie once this saga has run its course – namely, on the wrong side of history.
  • (4) But a close second is the more meaningful and perspicacious “Blame straight people – they keep having gay babies ”.
  • (5) As Steve Coll wrote perspicaciously in The New Yorker last week , the question of resuming war in Iraq in 2014 is not whether or not a new conflict can be justified – but where it will lead.
  • (6) Les Bright Exeter, Devon • For her perspicacious and comprehensive analysis of all the difficulties Simon Stevens will face as the chief of NHS England, Polly Toynbee should be raised to the peerage.
  • (7) Drawing from a perspicacious review of the literature, the respective advantages of various biopsy technics and their uses (i.e.