What's the difference between lengthen and stretch?

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.

Stretch


Definition:

  • (v. t.) To reach out; to extend; to put forth.
  • (v. t.) To draw out to the full length; to cause to extend in a straight line; as, to stretch a cord or rope.
  • (v. t.) To cause to extend in breadth; to spread; to expand; as, to stretch cloth; to stretch the wings.
  • (v. t.) To make tense; to tighten; to distend forcibly.
  • (v. t.) To draw or pull out to greater length; to strain; as, to stretch a tendon or muscle.
  • (v. t.) To exaggerate; to extend too far; as, to stretch the truth; to stretch one's credit.
  • (v. i.) To be extended; to be drawn out in length or in breadth, or both; to spread; to reach; as, the iron road stretches across the continent; the lake stretches over fifty square miles.
  • (v. i.) To extend or spread one's self, or one's limbs; as, the lazy man yawns and stretches.
  • (v. i.) To be extended, or to bear extension, without breaking, as elastic or ductile substances.
  • (v. i.) To strain the truth; to exaggerate; as, a man apt to stretch in his report of facts.
  • (v. i.) To sail by the wind under press of canvas; as, the ship stretched to the eastward.
  • (n.) Act of stretching, or state of being stretched; reach; effort; struggle; strain; as, a stretch of the limbs; a stretch of the imagination.
  • (n.) A continuous line or surface; a continuous space of time; as, grassy stretches of land.
  • (n.) The extent to which anything may be stretched.
  • (n.) The reach or extent of a vessel's progress on one tack; a tack or board.
  • (n.) Course; direction; as, the stretch of seams of coal.

Example Sentences:

  • (1) Tendon (T) and Hoffmann (H) reflexes were analyzed during static stretching (SS).
  • (2) An AT-rich stretch is centered at position -31 with respect to the transcription initiation site, and a potential CCAAT box is centered at position -138.
  • (3) Mechanosensitive ion channels may play a key role in transducing vascular smooth muscle (VSM) stretch into active force development.
  • (4) Endothelial release of the arachidonate derivative PGI2 may be increased in response to cyclic lung stretching.
  • (5) Differences in scar depression also supported the idea of more stretching in the Dexon group.
  • (6) The maximum force level reached during the stretch was affected very little.
  • (7) Cerebral angiogram displayed a contralateral shift and an unrolling of the anterior cerebral artery, a lateral stretch of middle cerebral artery, a downward stretch of anterior choroidal artery and a tumor stain fed by the Heubner artery.
  • (8) The results of conventional sciatic nerve stretching tests are usually evaluated regardless of patient age, gender or movements of the hip joint and spine.
  • (9) Phycomyces sporangiophores respond to four distinct physical stimuli: gravity, light, stretch, and an avoidance stimulus.
  • (10) Increase in activity of pulmonary stretch receptors causes inhibition of inspiration and bronchodilation.
  • (11) The stiffness of the fibre first rose abruptly in response to stretch and then started to decrease linearly while the stretch went on; after the completion of stretch the stiffness decreased towards a steady value which was equal to that during the isometric tetanus at the same sarcomere length, indicating that the enhancement of isometric force is associated with decreased stiffness.
  • (12) During ischaemia M1 stretch responses showed a more rapid and pronounced decline than did M2 responses and were abolished before voluntary power was appreciably affected.
  • (13) The stretch reflex in man has a direct role in compensating for small disturbances during motor tasks.
  • (14) I personally felt grateful that British TV set itself apart from its international rivals in this way, not afraid to challenge, to stretch the mind and imagination.
  • (15) Cubitus valgus or instability due to a pseudarthrosis of the lateral epicondyle or to ligamentous injury may stretch the nerve.
  • (16) The media's image of a "gamer" might still be of a man in his teens or 20s sitting in front of Call of Duty for six-hour stretches, but that stereotype is now more inaccurate than ever.
  • (17) The presence of a form of stretch reflex, previously described in the arm by other authors, has been confirmed in the gastrocnemius muscle of the human leg.
  • (18) The influence of stretch and radial compression on the width of mechanically skinned fibers from the semitendinosus muscle of the frog (R. pipiens) was examined in relaxing solutions with high-power light microscopy.
  • (19) The bent DNA has been localized to a 40-55 base pair (bp) segment and contains six (A)3-5 stretches (that is, six poly(A) stretches, three to five nucleotides in length) phased approximately every 10.5 bp.
  • (20) This figure suggests that, unless there are substantial stretches of free DNA, the polyoma nucleoprotein complex contains about 26 nucleosomes.