What's the difference between expand and protract?

Expand


Definition:

  • (v. t.) To lay open by extending; to open wide; to spread out; to diffuse; as, a flower expands its leaves.
  • (v. t.) To cause the particles or parts of to spread themselves or stand apart, thus increasing bulk without addition of substance; to make to occupy more space; to dilate; to distend; to extend every way; to enlarge; -- opposed to contract; as, to expand the chest; heat expands all bodies; to expand the sphere of benevolence.
  • (v. t.) To state in enlarged form; to develop; as, to expand an equation. See Expansion, 5.
  • (v. i.) To become widely opened, spread apart, dilated, distended, or enlarged; as, flowers expand in the spring; metals expand by heat; the heart expands with joy.

Example Sentences:

  • (1) Blood flow decreased immediately after skin expansion in areas over the tissue expander on days 0 and 1 and returned to baseline levels within 24 hours.
  • (2) Histiocytes, lymphocytes, immunoblasts, and plasma cells were present in expanded paracortical regions which encroached on, and occasionally effaced, lymphoid follicles.
  • (3) About 30% of clonable T cells, including both CD4+ CD8- and CD4- CD8+ cells, could be expanded for assay at an average of 22 days after cloning.
  • (4) Providers of services and their reimbursement will also expand.
  • (5) The availability of locus-specific probes should significantly expand the role of minisatellite markers in population biology.
  • (6) The expectation of life at birth was only 30-35 years, but it was long enough to allow for children to be born and for the populations to expand.
  • (7) Thus, whereas CD3-associated molecules isolated from polyclonal CD3+WT31+ populations (expanded in IL 2 under the same culture conditions) appeared as diffuse bands, CD3-associated molecules isolated from CD3+WT31- populations displayed a homogeneous molecular mass.
  • (8) The analysis is further expanded to a more general case to result in four criteria based upon the energy concepts.
  • (9) Guanabenz is acutely natriuretic and diuretic in saline expanded animals.
  • (10) Abe’s longstanding efforts toward those goals, which include the successful passage of a state secrets act and efforts to expand the scope of Japan’s military activities have already damaged relations with China.
  • (11) It is worth noting though that the government is reaping scant reward in the polls even though the economy has expanded by more than 3% over the past year and – according to the IMF – will be the fastest growing of the G7 economies this year.
  • (12) A developing sophistication on the part of both children and parents, coupled with a rapidly expanding recognition of the need to minimize the amount of physical and psychological trauma that a child has to experience, has led to a growing use of premedication agents for children.
  • (13) The expanded tumor-infiltrating cells were Leu-4+ T cells, and in five of six patients the majority were Leu-3+.
  • (14) Further development of meta-analysis in such an expanded way may have an important impact on decision-making in clinical medicine, and in health policies.
  • (15) Our understanding of the organisation of eye movements has been greatly expanded in recent years, mainly due to studies in animals.
  • (16) Although the group is constantly the target of an all-out political assault, it has a robust national fundraising operation that allows it to subsidize abortions for poor women and expand to new locations.
  • (17) In 2013 it successfully applied for a Visa Innovation Grant , a fund for development and non-profit organisations seeking to adopt or expand the use of electronic payments to those living below the poverty line.
  • (18) The intervertebral discs expand centrally and become increasingly convex.
  • (19) Jubilant Democrats are eyeing so-called “red states” such as Georgia and Utah and expanding their ambitions to take both the Senate and House .
  • (20) Labour's education spokesman, Ed Balls, said it was important to continue expanding the number of graduates.

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.