What's the difference between duration and protract?

Duration


Definition:

  • (n.) The state or quality of lasting; continuance in time; the portion of time during which anything exists.

Example Sentences:

  • (1) Large gender differences were found in the correlations between the RAS, CR, run frequency, and run duration with the personality, mood, and locus of control scores.
  • (2) The difference in HDL and HDL2 cholesterol concentrations between the MI+ and MI- groups or between the MI+ and CHD- groups persisted after adjustment by analysis of covariance for the effect of physical activity, alcohol intake, obesity, duration of diabetes, and glycemic control.
  • (3) The active agents modestly improved treadmill exercise duration time until 1 mm ST segment depression (3%), and only propranolol and diltiazem had significant effects.
  • (4) However, there was no consistent protocol for the method or duration of drug administration.
  • (5) For each temporal position of the independent noise, discriminability was a function of the ratio of the duration of the independent noise (tau) to the total burst duration.
  • (6) Careful attention must be given to antibiotic choice as well as the dose and duration of therapy.
  • (7) We conclude that increased duration of exercise can lead to reduced PDH complex activity in rat muscles.
  • (8) These episodes continued for the duration of the suckling test and were enhanced when a second pup was placed on an adjacent nipple.
  • (9) Results demonstrate that the development of biliary strictures is strongly associated with the duration of cold ischemic storage of allografts in both Euro-Collins solution and University of Wisconsin solution.
  • (10) There is a relationship between the duration of stimulation (t) and the total heat production (H) of the type H = A plus bt, where A and b are constants.
  • (11) It is suitable either for brief sampling of AP durations when recording with microelectrodes, which may impale cells intermittently, or for continuous monitoring, as with suction electrodes on intact beating hearts in situ.
  • (12) 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.
  • (13) In electrophysiological studies with neurons of Lymnaea stagnalis, THA inhibited the slow outward K+ current and consequently increased the duration of the action potentials.
  • (14) A study of the time-course of the response during aortic stenosis of 30 min duration showed early release of renin from the innervated kidney at a time (5 min) when little release occurred from the denervated one.
  • (15) The elimination half-life of most beta-agonists is relatively short, and pharmacokinetics are independent of dose and duration of treatment.
  • (16) IgG antibody titres to Coxsackie B1-B6 were measured in 113 insulin-dependent diabetes mellitus (IDDM) patients whose mean age was 12.2 years and mean duration of IDDM was 4.6 years, and in 87 normal sibling controls whose mean age was 13.8 years.
  • (17) The maximum duration of the drainage was 24 days and complete recovery was obtained in all patients without further surgical treatments.
  • (18) This study provides strong and unexpected evidence that one admission to hospital of more than a week's duration or repeated admissions before the age of five years (in particular between six months and four years) are associated with an increased risk of behaviour disturbance and poor reading in adolescence.
  • (19) The results suggest that the response continued unabated throughout the duration of exposure to hypoxia.
  • (20) The duration of action correlated with the elimination half-life of the drug (r = 0.87; P less than 0.003) and area under the plasma concentration curve (r = 0.72; P less than 0.03).

Protract


Definition:

  • (v. t.) To draw out or lengthen in time or (rarely) in space; to continue; to prolong; as, to protract an argument; to protract a war.
  • (v. t.) To put off to a distant time; to delay; to defer; as, to protract a decision or duty.
  • (v. t.) To draw to a scale; to lay down the lines and angles of, with scale and protractor; to plot.
  • (v. t.) To extend; to protrude; as, the cat can protract its claws; -- opposed to retract.
  • (n.) Tedious continuance or delay.

Example Sentences:

  • (1) AL-ST works with another dose distribution in time than the conventional brachytherapy, so a higher fractionation of high-dose-rate afterloading is substituted for the classical protraction of low-dose-rate brachytherapy.
  • (2) Whereas a protracted inhibitory activity is observed in haemophiliacs after replacement therapy (isoantibodies) as well as in acquired haemophilia (autoantibodies), immediate inhibition is characteristic of antibodies directed against phospholipids.
  • (3) A small number of children with protracted diarrhoea, who have severe mucosal injury may not be able to handle even starch and may require diets based on short chain glucose polymers.
  • (4) The effects of maxillary protracting bow appliance were the maxillary forward movement associated with counter-clockwise rotation of the nasal floor and the mandibular backward movement associated with clockwise rotation.
  • (5) A high responsiveness to SCW antigens was seen more frequently in sarcoidosis patients with protracted clinical course.
  • (6) A downward protraction force produced relatively uniform stress distributions, indicating the importance of the force direction in determining the stress distributions from various orthopedic forces.
  • (7) Reports in the literature suggest a poor prognosis in the presence of this complication, because of protracted renal damage and chronic renal failure.
  • (8) However, in the majority (53%) of patients, late recurrence was local and survival subsequent to treatment of these metastases was often protracted, emphasizing the importance of long-term follow-up in all patients with cutaneous melanoma.
  • (9) According to data in the literature the hormetic effect comprises stimulation of the immune system, a general increase of the resistance of the organism, a reduced risk of cancer and in model organisms a protraction of the median life span was observed.
  • (10) Human cancers undergo protracted complex development from benign to malignant states, as most thoroughly documented in the mole-to-melanoma sequence.
  • (11) Pouch young are born prior to retinal innervation of the primary visual centers and spend a protracted period of development in the pouch, making them ideal for visual, developmental studies.
  • (12) They say an increasing number of “protracted refugees” living in centres in Jordan, Lebanon, Turkey and Iraq will attempt the treacherous journey to Europe because they cannot offer their families a life or a future in the camps.
  • (13) The duration of the pre-ejection period of the systole, the Q-Kd interval and Achilles tendon reflex was protracted.
  • (14) Initial clinical trials utilized a daily schedule of administration, which led to severe and protracted myelosuppression and inadequate evaluation of the antitumor spectrum of mitomycin-C.
  • (15) Immature granulocytes would not exit through a restrictive barrier even after protracted periods and were not responsive to chemoattractants.
  • (16) The predominant clinical characteristic of this complication was protracted pancytopenia, which required 2 to 5 months recovery time after treatment and did not resolve in one patient.
  • (17) RBE values increased as dose was protracted, largely due to the reduced effectiveness of protracted gamma irradiation; however, about 28% of the increase can be attributed to the increase in neutron-induced injury caused by dose protraction.
  • (18) I have not known any time in my half century in this business in which we have had this many simultaneous, complex and protracted crises, of no solution right now.
  • (19) Within each layer deriving from the cortical plate (layers VIa to II-III), GABA-immunoreactivity showed a protracted maturation in which the first GABA-positive cells were detected a few days after cell birth but substantial numbers of neurons began to express GABA considerably later.
  • (20) Dose response curves for acute and protracted exposures have been obtained for cells derived from patients with cancer-prone syndromes including ataxia telangiectasia (AT) and Bloom's syndrome.