What's the difference between contract and lengthen?

Contract


Definition:

  • (n.) To draw together or nearer; to reduce to a less compass; to shorten, narrow, or lessen; as, to contract one's sphere of action.
  • (n.) To draw together so as to wrinkle; to knit.
  • (n.) To bring on; to incur; to acquire; as, to contract a habit; to contract a debt; to contract a disease.
  • (n.) To enter into, with mutual obligations; to make a bargain or covenant for.
  • (n.) To betroth; to affiance.
  • (n.) To shorten by omitting a letter or letters or by reducing two or more vowels or syllables to one.
  • (v. i.) To be drawn together so as to be diminished in size or extent; to shrink; to be reduced in compass or in duration; as, iron contracts in cooling; a rope contracts when wet.
  • (v. i.) To make an agreement; to covenant; to agree; to bargain; as, to contract for carrying the mail.
  • (a.) Contracted; as, a contract verb.
  • (a.) Contracted; affianced; betrothed.
  • (n.) The agreement of two or more persons, upon a sufficient consideration or cause, to do, or to abstain from doing, some act; an agreement in which a party undertakes to do, or not to do, a particular thing; a formal bargain; a compact; an interchange of legal rights.
  • (n.) A formal writing which contains the agreement of parties, with the terms and conditions, and which serves as a proof of the obligation.
  • (n.) The act of formally betrothing a man and woman.

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).

Lengthen


Definition:

  • (v. t.) To extent in length; to make longer in extent or duration; as, to lengthen a line or a road; to lengthen life; -- sometimes followed by out.
  • (v. i.) To become longer.

Example Sentences:

  • (1) Hearing loss at 8 kHz would shorten the I-V interval, while a loss at 4 kHz would be expected to lengthen the interval.
  • (2) In the V fibers, APD was lengthened by F, Q, and B, and shortened by L and M. The drug-induced changes in the relation between APD and CL were as in the P fibers.
  • (3) Physiotherapy for 4 to 12 weeks produced improvement, but in four cases early operation for excision of fibrous tissue and lengthening of the triceps was necessary to restore adequate flexion.
  • (4) Simultaneous atrial imaging and pulsed Doppler velocity measurement showed that passive atrioventricular flow occurred late in atrial lengthening and active atrioventricular flow occurred during atrial contraction.
  • (5) Systemic blood coagulation was unaffected by single 10000 U doses of heparin administered intraperitoneally in that plasma A-PTT values were not lengthened when measured over the ensuing six hours.
  • (6) Anesthesia lengthened the procedure by 1 hr but was needed in only 4.5% of the cases.
  • (7) Results from pharmacokinetic studies indicate a lengthening of the SDM half-life when administration was shifted from single to a multiple dose regime.
  • (8) This concept entails that during some seasons the preovulatory phase of the development of the human egg is lengthened, causing congenital anomalies.
  • (9) Simply lengthening the working age bracket is a potential disaster, unless the inequalities at the heart of the policy are addressed in a detailed and sensible way and we achieve full employment.
  • (10) Decreasing inadvertent PEEP by lengthening the expiratory time increased the compliance of the respiratory system (r = -0.74, n = 10, P less than 0.02).
  • (11) Results with the model strengthen the hypothesis that tetraethylammonium (TEA) acts on both the maximum potassium conductance (gK) and the mechanism of sodium conductance inactivation (Tauh) to lengthen the action potential as observed on the Ranvier node (fig.
  • (12) A subsequent S3 encountered further nonuniformly shortened refractoriness (normal areas had shortened refractoriness greater than ischemic areas) and the arc of block was lengthened.
  • (13) Distraction lengthening has gained wide acceptance in general orthopedics and in upper extremity reconstructions.
  • (14) It lengthens repolarisation and the effective refractory period in all cardiac tissues independently of its antiadrenergic properties.
  • (15) However, with further lengthening the conditioning pulse duration, it decreased, further increased, or remained constant depending on the direction of sodium current during the depolarization, irrespective of the membrane potential per se.
  • (16) Replacement of the cysteinylglycyl moiety with cysteine afforded 20, which retained significant antagonist activity, while lengthening or shortening the lipid tail by five methylene groups resulted in complete loss of activity.
  • (17) A technique is described which allows lengthening of a continent appendicovesicostomy.
  • (18) The modern era of leg lengthening has therefore brought two things: new technical versatility to correct complex and coexisting deformities and new concepts of the biology of lengthening that are not device specific and can be applied with most lengthening devices.
  • (19) Body weight was not affected by hormonal treatment, but the tails of the hypophysectomized sucklings were significantly lengthened by thyroxine alone, the effect being enhanced when growth hormone was also given.
  • (20) A technique for extreme lengthening of the mandible is presented.