What's the difference between rarefy and stretch?

Rarefy


Definition:

  • (v. t.) To make rare, thin, porous, or less dense; to expand or enlarge without adding any new portion of matter to; -- opposed to condense.
  • (v. i.) To become less dense; to become thin and porous.

Example Sentences:

  • (1) The 6410t cells were shown to bind specifically this factor and react to it by proliferation in the conditions of rarefied inoculation.
  • (2) An initial reaction of mononuclear cells, activated fibroblasts, and some giant cells of foreign body type in the surrounding connective tissue is followed by the development of a fibrous capsule rarefied by cells around the implant in the time up to 3 months.
  • (3) As half an hour of vox-poppery proves, this is also a place where the supposedly rarefied issue of electoral reform may actually come up on the proverbial doorstep.
  • (4) Fluorescein angiography demonstrated slight hyperfluorescence through rarefied retinal pigment epithelium but no leakage occurred from perifoveal retinal capillaries.
  • (5) Bone-destructive inflammatory processes (rarefying osteitis) were the most frequently encountered lesions, occurring in both the maxilla and the mandible.
  • (6) Their genuine disregard for the clichés of being in a band means conversation is relaxed, while their rarefied wealth of music, film and TV geekery makes for good gags.
  • (7) Nerves injected with demyelinating serum contained oligodendrocytes with pyknotic nuclei and edematous, rarefied cytoplasm.
  • (8) "Due to uncertainties in predicting the rarefied atmosphere at these very high altitudes, the accuracy of re-entry prediction is of the order of 10% of the remaining lifetime, so even on the last orbit revolution (90 minutes), there is a nine-minute prediction uncertainty.
  • (9) He didn’t inhabit rarefied social circles or drive a Bentley.
  • (10) Electron-microscopic examination revealed capillary engorgement with erythrocytes that appeared adherent to each other and contained entrapped areas of rarefied material.
  • (11) As evidenced from experiments on rats, a combined application of apressin with obsidan and diprazine, and also of adenozine with nicotine-amidadenine-dinucleotide (NAD), as well as of adeozine with nicotine amide potentiates the protective effect of these substances in hypobaric hypoxia, increases the resistance of the animals to cerebral ischemia, brings down the excess lactate level and raises the redoz potential of the system lactic-acid-pyruvic acid in the brain of rats exposed to the effects of rarefied atmosphere.
  • (12) Fibrillar and flocculent deposits were seen in the widened and rarefied subendothelial space in a small artery and two glomeruli, one of which also contained electron-dense deposits.
  • (13) I don't mean literature is obscure or rarefied or precious – that's no test of a book – rather it is operating on a different level to our everyday exchanges of information and conversation.
  • (14) The authors found that the median portion of chiasma is a weak point of microcirculation, as demonstrated by rarefied and transverse capillaries.
  • (15) In 90 days of Hk reduction of the capillaries is recorded, rarefied pericapillary network prevails, twistedness of the capillaries is clearly manifested, their complex branching decreases.
  • (16) The white matter showed a rarefied texture with widely dispersed nerve fiber tracts, volume expansion, and occasional cyst formation.
  • (17) Histopathologic findings included rarefied white matter with pyknotic nuclei and eosinophilic cytoplasm.
  • (18) However, looking at the neat rows of symbols made me reflect on how rarefied this sort of data can seem when summarised for a national website.
  • (19) No compensatory rarefying of acid discharge from the stomach, that was observed in reference subjects if transport of contents was accelerated, was detectable in the patients with ulcerative colitis.
  • (20) Microscopic sections of the skin revealed a thickened dermis with shortened and rarefied elastic fibers.

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.