What's the difference between hist and silent?

Hist


Definition:

  • (interj.) Hush; be silent; -- a signal for silence.

Example Sentences:

  • (1) In addition to working with hist colleagues on general review and health-policy matters, he also handled issues related to the special needs of children and helped to get third-party benefit packages altered to better suit the treatment needs of children.
  • (2) The interaction of histamine (Hist) and acetylcholine (ACh) on human isolated bronchial smooth muscle (HIBSM) contraction, and the influence of the epithelium, was assessed using HIBSM obtained from 15 patients undergoing thoracotomy.
  • (3) The approach is illustrated by several examples of previously unknown correspondences with important biological implications: Drosophila elongation factor Tu is shown to be encoded by two genes that are differently expressed during development; a cluster of three Drosophila genes likely encode maltases; a flesh-fly fat body protein resembles the hypothesized Drosophila alcohol dehydrogenase ancestral protein; an unknown protein encoded at the multifunctional E. coli hisT locus resembles aspartate beta-semialdehyde dehydrogenase; and the E. coli tyrR protein is related to nitrogen regulatory proteins.
  • (4) We investigated the effects of epithelium removal and cooling (32 degrees C, 27 degrees C, 22 degrees C) on isolated tracheal smooth muscle contraction induced by bethanechol (BCh), acetylcholine (ACh), histamine (Hist), and KCl in guinea pigs.
  • (5) A 2.3-kilobase HindIII-ClaI restriction fragment containing the hisT gene was subcloned into plasmid pBR322, and the resulting plasmid (designated psi 300) was mapped with restriction enzymes.
  • (6) Examination of the regulation of the histidine operon in strains carrying the feedback-resistant mutation in an episome and hisT and hisW mutations in the chromosome showed that the hisG regulatory mutation is epistatic to the hisT and hisW mutations.
  • (7) The approach is applied to the trp-cysB-pyrF and aroC-hisT-purF-dhuA regions of the Salmonella typhimurium chromosome.
  • (8) Four phenotypes of strain EB146 (leuK16), leucine excretion, wrinkled colony morphology, and elevated levels of leu and his enzymes, are complemented by a plasmid having a 1.65-kilobase DNA fragment containing the E. coli K-12 hisT locus.
  • (9) The effects of norepinephrine (NE), histamine (HIST), glutamate, and adenosine, singly and in combinations, on the accumulation of adenosine 3',5'-monophosphate (cyclic AMP) in slices of rabbit cerebral cortex were examined using tissue from animals 4 days before to 38 days after birth.
  • (10) The present studies were undertaken to obtain histamine (HIST) dose-response curves for tracheal smooth muscle (TSM) from an actively ragweed-sensitized canine model of asthma and to compare these results with 1) HIST dose-response data from littermate control dogs, 2) initially nonsensitized TSM passively sensitized (in vitro) to ragweed and 3) the dose-response curve to an agonist that opens primarily voltage-sensitive calcium channels, i.e., K+.
  • (11) The hemodynamic response to maximal exercise was determined in rats with a chronic myocardial infarction (MI) that were subjected to 6-8 wk of high-intensity sprint training (HIST) or limited exercise activity (sedentary control).
  • (12) The presence of Campylobacter pylori was investigated in duodenal, antral and fundic biopsies of 149 consecutive patients undergoing upper gastrointestinal tract endoscopy by biopsy urease tests (CLOtest; "CLO test") and histologic examination ("HIST") after modified Giemsa staining.
  • (13) On the other hand, pretreatment of the muscle with 10(-5) M Hist for 10 min did not influence the contraction by either MeCh or Hist.
  • (14) After pretreatment of the muscle with 10(-5) M MeCh for 10 min, the contractile effect of 10(-5) M Hist was suppressed intensely for a certain time period, but that of 10(-5) M MeCh was not diminished.
  • (15) Hist and Gast caused an increase of PGE2 contents in gastric mucosa.
  • (16) Subclones containing restriction fragments from plasmid psi 300 inserted downstream from the lac promoter established that the hisT gene is oriented from the HindIII site toward the ClaI site.
  • (17) This mutation is linked to purF, suggesting that it is a new allele of hisT.
  • (18) The hisT gene codes for an enzyme responsible for the conversion of uridine to pseudouridine (Psi) in the anticodon region of many tRNA species in Salmonella typhimurium.
  • (19) Furthermore, this suppression was not surmounted by the elevation of Hist concentration.
  • (20) In general, HIST was found as most sensitive and effective.

Silent


Definition:

  • (a.) Free from sound or noise; absolutely still; perfectly quiet.
  • (a.) Not speaking; indisposed to talk; speechless; mute; taciturn; not loquacious; not talkative.
  • (a.) Keeping at rest; inactive; calm; undisturbed; as, the wind is silent.
  • (a.) Not pronounced; having no sound; quiescent; as, e is silent in "fable."
  • (a.) Having no effect; not operating; inefficient.
  • (n.) That which is silent; a time of silence.

Example Sentences:

  • (1) First results let us assume that clinically silent TIAs also (in analogy to clinically silent brain infarctions) could be detected and located.
  • (2) The prevalence of greater than or equal to 1 mm ST-segment depression was 22% (symptomatic in 25%, and silent in 75%) and did not differ between groups with and without cardiac events.
  • (3) The EMG silent periods (SP) produced in the open-close-clench cycle and jaw-jerk reflex were compared for duration before and after treatment with an occlusal bite splint.
  • (4) Some features suggest an important reduction in myocardial oxygen supply, in addition to an increase in demand, as a mechanism for silent ischemic episodes occurring during daily life.
  • (5) Major alleviation of the rigidity and bradykinesia with chronic oral l-dopa therapy was not accompanied by any change in the silent period.
  • (6) Previous studies in Ghana had shown that primary infections with Epstein-Barr virus in infants under the age of two years remain silent and evoke antibody responses different from those seen in infectious mononucleosis.
  • (7) A light rain pattered the rooftops of Los Mochis in Friday’s pre-dawn darkness, the town silent and still as the Sea of Cortez lapped its shore.
  • (8) Silent myocardial ischemia is increasingly recognized as a common phenomenon in a variety of people with coronary artery disease.
  • (9) In addition, comparison of the rates of evolution among the eight viral genes, excluding the P2 gene, revealed a rapid and roughly equal rate of silent substitution for different genes.
  • (10) Recurrent stones are usually "silent," and we do not usually treat asymptomatic stones.
  • (11) He stayed silent when the teacher asked him a question and afterwards I found him standing in the middle of the classroom looking totally lost as everyone ran around.
  • (12) A total of 188 ischemic episodes was observed; 163 (87%) were silent and accounted for a total ischemic duration of 5,771 minutes.
  • (13) Thirty-two nursing students were shown silent films in which 10 normal and 10 schizophrenic women described a happy, sad, and an angry personal experience.
  • (14) Repair within the gene was shown to be much more efficient than that in silent downstream sequences or in the genome overall.
  • (15) The non-neurosecretory interneuron L10 synthesizes a 12,000 dalton protein, whereas the silent neurosecretory cell L5 synthesizes a lower molecular weight peptide.
  • (16) To date, no systematic study on silent ischaemia in patients with demand-induced right ventricular dysfunction has been reported.
  • (17) Patients with all forms of angina, stable effort and unstable rest angina, and those with coronary artery spasm have very frequent episodes of silent myocardial ischemia during ordinary activity.
  • (18) Hypertensive subjects with other cardiovascular risk factors such as hypercholesterolemia or smoking and with ventricular extrasystoles, reflecting the presence of silent ischemia, can be considered to be at high risk of cardiac death.
  • (19) However, Teryn Norris and Jesse Jenkins, of the Breakthrough Institute , argue that as the recession has deepened, Obama has been relatively silent on cap and trade emissions schemes similar to the one operating in Europe in which companies can trade permits to emit carbon dioxide.
  • (20) These calcifications are often clinically silent, but they sometimes accompany a recurrence of the initial painful symptomatology.

Words possibly related to "hist"