(n.) The act of lengthening in space or in time; extension; protraction.
(n.) That which forms an additional length.
Example Sentences:
(1) Without medication atypical ventricular tachycardia develops, in the author's opinion, most probably when bradycardia has persisted for a prolonged period.
(2) Disease stabilisation was associated with prolonged periods of comparatively high plasma levels of drug, which appeared to be determined primarily by reduced drug clearance.
(3) In Patient 2 they were at first paroxysmal and unformed, with more prolonged metamorphopsia; later there appeared to be palinoptic formed images, possibly postictal in nature.
(4) Morphological alterations in the lungs of pheasants after prolonged high-dosage administration of bleomycin sulfate were studied by light and electron microscopy.
(5) Graft life is even more prolonged with patch angioplasty at venous outflow stenoses or by adding a new segment of PTFE to bypass areas of venous stenosis.
(6) We evaluated the circadian pattern of gastric acidity by prolonged intraluminal pHmetry in 15 "responder" and 10 "nonresponder" duodenal ulcer patients after nocturnal administration of placebo, ranitidine, and famotidine.
(7) As prolongation of the action potential by TEA facilitates preferentially the hormone release evoked by low (ineffective) frequencies, it is suggested that a frequency-dependent broadening of action potentials which reportedly occurs on neurosecretory neurones may play an important role in the frequency-dependent facilitation of hormone release from the rat neurohypophysis.
(8) Prolonged immobilization was accompanied by a decrease in Ca-concentration dependence of Ca2+ uptake.
(9) Defibrotide prevents the dramatic fall of creatine phosphokinase activity in the ischemic ventricle: metabolic changes which reflect changes in the cells affected by prolonged ischemia.
(10) With prolonged ischemia, it is only transient and is followed by a gradual loss of the adenylyl cyclase activity.
(11) The authors conclude that H. pylori alone causes little or no effect on an intact gastric mucosa in the rat, that either intact organisms or bacteria-free filtrates cause similar prolongation and delayed healing of pre-existing ulcers with active chronic inflammation, and that the presence of predisposing factors leading to disruption of gastric mucosal integrity may be required for the H. pylori enhancement of inflammation and tissue damage in the stomach.
(12) The mechanism by which gp55 causes increased erythroblastosis and ultimately leukaemia is unknown, but a reasonable suggestion is that gp55 can mimic the action of erythropoietin by binding to its receptor (Epo-R), thereby triggering prolonged proliferation of erythroid cells.
(13) This condition may be caused by the prolonged, repetitive elevations of gonadal steroids and other hormones known to suppress gonadotropin-releasing hormone secretion that are elicited by their daily exercise.
(14) 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.
(15) Attempts were made to prolong the survival of the grafts by the use of cytotosine arabinoside, methylprednisolone, heparin and azathioprine.
(16) Because of these different direct and indirect actions, a sudden cessation of sinus node activity or sudden AV block may result in the diseased heart in a prolonged and even fatal cardiac standstill, especially if the tolerance to ischemia of other organs (notably the brain) is decreased.
(17) The 14-fold increase in prolonged apnea frequency immediately following regurgitation supports the hypothesis for a causal relationship between apnea and regurgitation.
(18) Chromatolysis and swelling of the cell bodies of cut axons are more prolonged than after optic nerve section and resolve in more central regions of retina first.
(19) Cryopreserved autologous blood cells may thus restore some patients with CGL in transformation to chronic-phase disease and so may help to prolong life.
(20) Heparin prolonged by 15 s and 45 s the time required to demonstrate Factor V activation in CAP supplemented with Factor Xa and thrombin respectively.
Stretching
Definition:
(p. pr. & vb. n.) of Stretch
() a. & n. from Stretch, v.
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.