What's the difference between contraction and reduction?

Contraction


Definition:

  • (n.) The act or process of contracting, shortening, or shrinking; the state of being contracted; as, contraction of the heart, of the pupil of the eye, or of a tendion; the contraction produced by cold.
  • (n.) The process of shortening an operation.
  • (n.) The act of incurring or becoming subject to, as liabilities, obligation, debts, etc.; the process of becoming subject to; as, the contraction of a disease.
  • (n.) Something contracted or abbreviated, as a word or phrase; -- as, plenipo for plenipotentiary; crim. con. for criminal conversation, etc.
  • (n.) The shortening of a word, or of two words, by the omission of a letter or letters, or by reducing two or more vowels or syllables to one; as, ne'er for never; can't for can not; don't for do not; it's for it is.
  • (n.) A marriage contract.

Example Sentences:

  • (1) During the performance of propulsive waves of the oesophagus the implanted vagus nerve caused clonic to tetanic contractions of the sternohyoid muscle, thus proving the oesophagomotor genesis of the reinnervating nerve fibres.
  • (2) But RWE admitted it had often only been able to retain customers with expired contracts by offering them new deals with more favourable conditions.
  • (3) 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.
  • (4) Further, the maximal increase in force of contraction was measured using papillary muscle strips from some of these patients.
  • (5) When subjects centered themselves actively, or additionally, contracted trunk flexor or extensor muscles to predetermined levels of activity, no increase in trunk positioning accuracy was found.
  • (6) Twitch-tetanus ratios were calculated and found not to be related to unit contraction time.6.
  • (7) Selective removal of endothelium had no effect on BK-induced contraction or the action of the antagonists.
  • (8) The increased muscular strength in due to a rise of calcaemia, improved muscle contraction and probably also due to the mentioned nutritional factors.
  • (9) However, there was not a relationship between the contraction curve of the gallbladder and the bile flow into the duodenum.
  • (10) In in vitro preparations GABA (10(-7) - 10(-3) M) elicited a dose-dependent relaxation; a decrease in the spontaneous contractions was sometimes observed.
  • (11) There was no correlation between disturbed gastric clearance, impaired gall bladder contraction, and prolonged colonic transit time in the patients with cardiovascular autonomic neuropathy nor was there a correlation between any disturbed motor function and age or duration of diabetes.
  • (12) Noradrenaline decreased the phasic contraction amplitude of the circular muscle and exerted a stimulant effect on the tone which suggested an existence of two alpha 1-adrenoceptor subtypes.
  • (13) It may, however, be useful to compare local wall dynamics in the more isometrically-contracting basal segment with those in the middle portion which brings about most of the emptying of the ventricle.
  • (14) Upon depletion of ATP in contraction, the P2 intensity reverted to the original rigor level, accompanied by development of rigor tension.
  • (15) L-NAME abolished B contractions in a dose-dependent fashion.
  • (16) The power spectrum of the EMG was analyzed during isometric contractions of the shoulder muscles.
  • (17) A23187 had only a transient effect on KCl-contracted coronary arteries.
  • (18) When caffeine evokes a contraction, and only then, crayfish muscle fibers become refractory to a second challenge with caffeine for up to 20 min in the standard saline (5 mM K(o)).
  • (19) Dopamine at concentrations over 10(-5)M induced contractions of tracheal muscle strips and repeated exposures resulted in desensitization (tachyphylaxis) of the muscle.
  • (20) In the present study we examined cholecystokinin release and gallbladder contraction after oral administration of a commercial fatty meal (Sorbitract; Dagra, Diemen, The Netherlands) using ultrasonography in eight normal subjects and eight gallstone patients before and after 1 and 4 weeks of treatment with ursodeoxycholic acid (10 mg kg-1.day-1).

Reduction


Definition:

  • (n.) The act of reducing, or state of being reduced; conversion to a given state or condition; diminution; conquest; as, the reduction of a body to powder; the reduction of things to order; the reduction of the expenses of government; the reduction of a rebellious province.
  • (n.) The act or process of reducing. See Reduce, v. t., 6. and To reduce an equation, To reduce an expression, under Reduce, v. t.
  • (v. t.) The correction of observations for known errors of instruments, etc.
  • (v. t.) The preparation of the facts and measurements of observations in order to deduce a general result.
  • (v. t.) The process of making a copy of something, as a figure, design, or draught, on a smaller scale, preserving the proper proportions.
  • (v. t.) The bringing of a syllogism in one of the so-called imperfect modes into a mode in the first figure.
  • (v. t.) The act, process, or result of reducing; as, the reduction of iron from its ores; the reduction of aldehyde from alcohol.
  • (v. t.) The operation of restoring a dislocated or fractured part to its former place.

Example Sentences:

  • (1) Direct fetal digitalization led to a reduction in umbilical artery resistance, a decline in the abdominal circumference from 20.3 to 17.8 cm, and resolution of the ascites within 72 h. Despite this dramatic response to therapy, fetal death occurred on day 5 of treatment.
  • (2) Use of the improved operative technique contributed to reduction in number of complications.
  • (3) Following central retinal artery ligation, infarction of the retinal ganglion cells was reflected by a 97 per cent reduction in the radioactively labeled protein within the optic nerve.
  • (4) It is concluded that amlodipine reduces myocardial ischemic injury by mechanism(s) that may involve a reduction in myocardial oxygen demand as well as by positively influencing transmembrane Ca2+ fluxes during ischemia and reperfusion.
  • (5) By 1978, the reduction in incidence of measles will exceed 90%.
  • (6) Osteoporosis is characterized by a reduction in bone density.
  • (7) At pH 7.0, reduction is complete after 6 to 10 h. These results together with an earlier study concerning the positions of the two most readily reduced bonds (Cornell J.S., and Pierce, J.G.
  • (8) A survey carried out two and three years after the launch of the official campaign also showed a reduction in the prevalence of rickets in children taking low dose supplements equivalent to about 2.5 micrograms (100 IU) vitamin D daily.
  • (9) The role of O2 free radicals in the reduction of sarcolemmal Na+-K+-ATPase, which occurs during reperfusion of ischemic heart, was examined in isolated guinea pig heart using exogenous scavengers of O2 radicals and an inhibitor of xanthine oxidase.
  • (10) Maximal covalent binding of [4,5-14C]ronidazole to DNA also required four-electron reduction, consistent with previous studies of the covalent binding of this agent to immobilized sulfhydryl groups [Kedderis et al.
  • (11) Optimum rates of acetylene reduction in short-term assays occurred at 20% O2 (0.2 atm (1 atm = 101.325 kPa] in the gas phase.
  • (12) Meanwhile, reductions in tax allowances on dividends for company shareholders from £5,000 down to £2,000 represent another dent to the incomes of many business owners.
  • (13) Polyribosomes isolated from the livers of rats sacrificed 6 h after treatment with actinomycin D showed a 42% reduction in their capacity to bind anti-RSA Fab'.
  • (14) In view of reports of the reduction of telomeric repeats in human malignant tumors, we measured the lengths of telomeric repeats in 55 primary neuroblastomas.
  • (15) Anatomic and roentgenographic criteria used for the assessment of reduction in ankle fractures are highlighted in this review of ankle trauma.
  • (16) By increasing luminal air pressure from 10 to 20 cm H2O a significant reduction in GBF was observed.
  • (17) The reduction rates of peripheral leukocytes, lung Schiff bases and lung water content were not identical in rats depleted from leukocyte after inhalation injury.
  • (18) The results show that in TMO-treated animals the time to the onset of convulsions, the time to the onset of NADH oxidation-reduction cycles, and the survival time were significantly longer than in the control group.
  • (19) Since the first is balked by the obstacle of deficit reduction, emphasis has turned to the second.
  • (20) The analysis of total seizure days showed a significant reduction during LTG treatment (p less than 0.002).