(a.) Without just or sufficient reason; groundless.
(adv.) Without cause or reason.
Example Sentences:
(1) On the basis of these they emphasize that the aversion from the endoscopic kidney stone removal in pediatric patients--if someone has the necessary skill--is causeless.
(2) Thus, pyoderma gangrenosum appears as a syndrome which if often causeless or due to multiple diseases and might well be split into different entities in the forthcoming years.
(3) The purpose of this study was to quantify the value of the head-up tilt test in patients whose syncope remained "causeless" after a "conventional" investigation.
Fortuitous
Definition:
(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.