(a.) Happening by chance; coming or occuring unexpectedly, or without any known cause; chance; as, the fortuitous concourse of atoms.
(a.) Happening independently of human will or means of foresight; resulting from unavoidable physical causes.
Example Sentences:
(1) Fortuitous withdrawal of therapy and transplant nephrectomy may have been responsible for the patient's survival.
(2) Two major facilities of the Western Division of Dow Chemical USA are located fortuitously within an area covered by the population-based California Tumor Registry, which allowed linkage of records to identify incident cancers among 1,403 male workers.
(3) The unusual activity of IM effector preparations against HLA-mismatched LCLs arises from fortuitous cross-recognition of allogeneic cells by immunologically specific cytotoxic T cell clones coincidentally expanded in vivo alongside the EBV-specific response.
(4) Because there is no known nut site cis to 'trpA, we suggest that the 'trpA segment itself fortuitously contains a nut sequence that is able to function with excess N of any of the types tested and with either NusAEc or NusASal.
(5) Because of this phenomenon it is difficult to distinguish whether a given protein's presence in bone is advantageous or merely fortuitous.
(6) The enhanced transposition frequency of Tn917-LTV1 and Tn917-LTV3 (about 100-fold in Bacillus subtilis) is believed to be due to the fortuitous placement of vector-derived promoters upstream from the Tn917 transposase gene.
(7) According to their different clinical presentations, patients were divided into 4 groups: 1: Documented cancer, 2: Hepatic cirrhosis, 3: Fortuitous ultrasonic detection, 4: Clinical hepatic tumor.
(8) The article describes a way to estimate the probability of the clustering being fortuitous.
(9) The age correlation was caused only by an attenuated response in the young subjects below 40 years of age and may be fortuitous.
(10) The somewhat fortuitous isolation of Nocardia asteroides and its significance are discussed.
(11) However, it seems that the reduced incidence of the AUV discovered by a few Italian authors is not fortuitous (genetic factors?
(12) It is easy to point to lines that have a fortuitous topicality: knowing chuckles now greet George's admission that "There's a sense in which I even quite like a war", and later suggestion that, if Labour can't beat the Tories, the best solution is to join them.
(13) Endobronchial localizations of the granular cell tumours or Abrikossoff's tumour are very rare (6%) but their association with malignant tumours is exceptional and perhaps fortuitous.
(14) These T-ALLs may represent a fortuitous transformation of T cell subsets with alternative T3-Ti complexes.
(15) Gender identity change in a conservatively diagnosed 21-year-old transexual after faith healing was fortuitously observed, was objectively and independently measured, and is reported.
(16) Although the pathogenesis remains unclear, three possible explanations are suggested: disturbance of the pluripotent stem cell resulting in a combined myeloplasmatic disorder, coexistence of two diseases, or a fortuitous association.
(17) This tumour was discovered in a systematic fashion in 8 of the 10 cases and fortuitously in one.
(18) In addition, we found, fortuitously, that the ligated DNA circles could also integrate by homologous recombination, although usually at a much lower frequency than the Int-mediated integration into attB.
(19) Their coexistence in our patient, although the statistic probability is very low, seems to be a fortuitous coincidence more than the result of a common genetic and pathogenetic mechanism.
(20) It is not known whether the conversion of a portion of S5 to S5a is physiological or fortuitous.
Predetermined
Definition:
(imp. & p. p.) of Predetermine
Example Sentences:
(1) When subjects centered themselves actively, or additionally, contracted trunk flexor or extensor muscles to predetermined levels of activity, no increase in trunk positioning accuracy was found.
(2) Employed method of observation gave quantitative information about the influence of odours on ratios of basic predeterminate activities, insect distribution pattern and their tendency to choose zones with an odour.
(3) The duration of electrophoresis was based on the migration of a marker dye for a predetermined distance.
(4) Ventricular fibrillation was then induced and, after predetermined downtimes ranging from 5 to 60 minutes, thoracotomy was performed, and open-chest bimanual cardiac massage was started.
(5) Anesthetized, intubated kittens were subjected to one of two procedures: (1) insertion of a suction catheter to a predetermined distance and withdrawal with or without the application of suction or (2) insertion of the catheter until resistance was met and withdrawal with or without the application of suction.
(6) Minute ventilation (VE) was kept constant at a predetermined individual level during all treatments.
(7) Thus, it appears that the increased expression of the regulatory MLC2 gene in SHR atrial cells is a predetermined event, which, most likely, participates in functional adaptation of the myocardium in response to pressure overload and subsequent hypertrophy.
(8) Furthermore, the minimal actual treatment differences that can be detected with a reasonable (80%) probability at a predetermined (5%) significance level using a crossover design were estimated for different electrophysiologic variables.
(9) Each student conducted a medication-history interview with one of two simulated patients who presented a predetermined history; interviews were videotaped from behind a one-way mirror.
(10) The %s of fibroblasts, PMN's lymphocytes, plasma cells and macrophages were estimated in a predetermined standardized area close to the apical termination of the junctional epithelium.
(11) Under in vitro inhibition of alpha-glucosidasic activity by glucose in hemolymph of Bee prenymphas, the reaction order (n) (predetermined according to the initial natural glycemia) decreases with increasing inhibitor concentration and the affinity constant between enzyme and substrate undergoes lower variations than in other cases where (n) does not change.
(12) The effect of indomethacin administration on the mortality rate of brain-injured rats was studied in four groups of animals subjected to a level of injury with a fluid-percussion apparatus predetermined to cause 50% mortality (50% lethal dose, or LD50).
(13) To estimate the mean cardiac output, at least two measurements should be made at predetermined points of the ventilatory cycle.
(14) Microliter volumes of cell suspension were placed directly onto a computer-controlled cryostage and cooled to a predetermined subzero temperature.
(15) A genetic procedure is directed for the isolation of chromosomal deletions and duplications with predetermined endpoints.
(16) Specific checklists completed by patients and predetermined scoring protocols yielded reliable data and reduced faculty time.
(17) "It seems that the Metropolitan police, the CPS [Crown Prosecution Service] and even the court have all colluded to implement a predetermined decision which was made in Washington.
(18) Various techniques can be used to deposit the dose accurately in a predetermined intracranial volume.
(19) The same brush was then agitated in a SBW vial, which was centrifuged, the cell pellet being smeared over a predetermined area of a slide.
(20) Eleven children with severe perennial asthma and a poor clinical response to disodium cromoglycate were studied in a 4-month, double blind trial involving 1 month's treatment with placebo, disodium cromoglycate, betamethasone 17 valerate, and both drugs combined according to a predetermined random design.