What's the difference between onset and precursory?

Onset


Definition:

  • (n.) A rushing or setting upon; an attack; an assault; a storming; especially, the assault of an army.
  • (n.) A setting about; a beginning.
  • (n.) Anything set on, or added, as an ornament or as a useful appendage.
  • (v. t.) To assault; to set upon.
  • (v. t.) To set about; to begin.

Example Sentences:

  • (1) The rash presented either as a pityriasis rosea-like picture which appeared about three to six months after the onset of treatment in patients taking low doses, or alternatively, as lichenoid plaques which appeared three to six months after commencement of medication in patients taking high doses.
  • (2) One must be suspicious of any gingival lesion, particulary if there is a sudden onset of bleeding or hyperplasia.
  • (3) However, there was no correlation between the length of time PN was administered to onset of cholestasis and the gestational age or birth weight of the infants.
  • (4) The epidemiology of HIV infection among women and hence among children has progressively changed since the onset of the epidemic in Western countries.
  • (5) To estimate the age of onset of these differences, and to assess their relationship to abdominal and gluteal adipocyte size, we measured adiposity, adipocyte size, and glucose and insulin concentrations during a glucose tolerance test in lean (less than 20% body fat), prepubertal children from each race.
  • (6) The results show that in TMO-treated animals the time to the onset of convulsions, the time to the onset of NADH oxidation-reduction cycles, and the survival time were significantly longer than in the control group.
  • (7) The clinical aspects, the modality of onset and diffusion of the lymphoma, its macroscopic and histopathological features and the different therapeutic approaches are discussed.
  • (8) Seven patients had not been recognized as hypogammaglobulinemic before the onset of infection.
  • (9) In contrast, idiopathic GH deficient girls have an onset of puberty and PHV nearer to a normal chronological age and at an early bone age.
  • (10) Current status of prognosis in clinical, experimental and prophylactic medicine is delineated with formulation of the purposes and feasibility of therapeutic and preventive realization of the disease onset and run prediction.
  • (11) We found that, although controlled release delivery of ddC inhibited de novo FeLV-FAIDS replication and delayed onset of viremia when therapy was discontinued (after 3 weeks), an equivalent incidence and level of viremia were established rapidly in both ddC-treated and control cats.
  • (12) An experimental model was established in the ewe allowing one to predict with accuracy an antral follicle that coincidentally would either undergo ovulation (6-8 mm diameter) or atresia (3-4 mm diameter) following synchronization of luteal regression and the onset of the gonadotropin surge.
  • (13) Females were killed at various times after the onset of mating or artificial insemination, oviducts were fixed and sectioned serially, and spermatozoa were counted individually as to their location in the oviduct.
  • (14) For the second propositus, a woman presenting with abdominal and psychiatric manifestations, the age of onset was 38 years; the acute attack had no recognizable cause; she had mild skin lesions and initially was incorrectly diagnosed as intermittent acute porphyria; the diagnosis of variegate porphyria was only established at the age of 50 years.
  • (15) It was recently demonstrated that MRL-lpr lymphoid cells transferred into lethally irradiated MRL- +mice unexpectedly failed to induce the early onset of lupus syndrome and massive lymphadenopathy of the donor, instead they caused a severe wasting syndrome resembling graft-vs-host (GvH) disease.
  • (16) It is clear that before general release of a new living feline infectious enteritis vaccine, there must be satisfactory evidence that concurrent infection will not affect the safety of the modified antigen.In cats infected with feline infectious enteritis there appears to be a short period, coinciding with the onset of leucopaenia, during which they are highly infectious.
  • (17) Abnormal albuminuria at levels not reliably detected by the usual dipstick methods was commonly observed in Pima Indians with diabetes, even those with diabetes of recent onset.
  • (18) In all cases foetal administration of glucocorticoid led to the onset of labour, and lambing, and in all animals the hormonal changes preceding parturition were indistinguishable (either qualitatively or quantitatively) from the changes observed in animals carrying intact lambs.
  • (19) Increasing the pH of local anesthetics with sodium bicarbonate has been reported to hasten their onset of action.
  • (20) Evx-1 RNA is first detected shortly before the onset of gastrulation in a region of ectoderm containing cells that will soon be found in the primitive streak.

Precursory


Definition:

  • (a.) Preceding as a precursor or harbinger; indicating something to follow; as, precursory symptoms of a fever.
  • (n.) An introduction.

Example Sentences:

  • (1) The results of these two parameters showed that Chinese medicinal herbs with Jian Pi Li Qi action are effective in inhibiting the precursory lesions of liver cancer in rats.
  • (2) Thus, at least from the viewpoint of cell junctions, it is suggested that the main precursory cells of the luteal cells are the theca interna cells, although there is a general agreement that the luteal cells are derived from the granulosa cells.
  • (3) The application of Alcian Blue staining techniques and enzymatic degradations permitted to reveal in both species that in earlier stages of cerebellar development hyaluronic acid is present throughout neuropile of entire cerebellum but it accumulated preferentially at the medullary region and around precursory Purkinje cells where it showed a mucoid-like appearance.
  • (4) Some problems of the modern tissue preservation, the collagen synthesis occurring in the active fibroblasts, the secretion of the collagen precursory substance into the extracellulary space, as well as the formation, the structure and the constitution of the newly synthesized collagen fibres--forming the transplant--are discussed by the authors.
  • (5) SI is a syndrome which includes all clinical manifestations with imminent potential of transformation into shock condition, and represents the stage precursory to the setting up of shock.
  • (6) Precursory albumen forms in the tubular glands of the oviduct.
  • (7) (4) It was considered that the electron-dense materials were the main toxic or precursory substances in the Euproctis spicules.
  • (8) Linoleic acid (LA) is an essential component of cellular membranes and plays, therefore, an important role in cells; moreover, it plays a functional part on account of its precursory position of eicosanoids.
  • (9) This particular change has been attributed to the formation of an activated complex that is immediately precursory to phosphorylation and indicates here that this complex cannot be properly formed until the metal has been chelated by the enzyme.
  • (10) We speculate that these changes are precursory to the pathogenesis of glomerular sclerosis in patients with sickle cell disease.
  • (11) These results may still favor TEE as a semi-invasive diagnostic procedure after a precursory screening transthoracic echogram in suspected aortic dissection, but they establish MRI as an excellent method to avoid false-positive findings.
  • (12) Lentigo malignant melanoma (LMM) is a precursory lesion.
  • (13) Before the appearance of the morphological primordium of the nervous system, its precursory cells carry the necessary information to put in action the basic characteristics of cell differentiation and structural organization, even isolated from the influence of mesoblastic cells.
  • (14) The overlap in patterns is presumptive evidence that the angioimmunoblastic pattern at times may be a precursory expression of the stem cell lymphoma.
  • (15) In contrast to a precursory screening transthoracic echogram, the sensitivities of both MRI and TEE were 100% for detecting a dissection of the thoracic aorta irrespective of its location.
  • (16) In the latter instance, the disease may be localized or, most often, be a precursory lesion to regional or systemic disease.
  • (17) This study's objectives were to determine the influence of age and occupational factors on cardiovascular disease (CVD) incidence among U.S. Navy pilots diagnosed with CVD during a 12.5-year time period (n = 150) and to identify precursory diseases associated with CVD.
  • (18) These intestinal metabolites may represent precursory stages in the overall metabolism of crufomate.
  • (19) It is also suggested that the conformational effect extends to a significant distance from the nucleotide binding site and may be a precursory step to Ca2+ translocation.
  • (20) In one group of three cases, multifocal glioblastomas appeared to be emerging in the background of a better differentiated, and presumably precursory, astrocytic neoplasm.

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