(n.) The condition of returning frequently; occurrence often repeated; common occurence; as, the frequency of crimes; the frequency of miracles.
(n.) A crowd; a throng.
Example Sentences:
(1) The typical findings have been related to their anatomical localisation and frequency.
(2) It was shown that delta F508 frequency of CF-patients was 59.2%, the frequencies of S5491, G551D and K533X were about 1%.
(3) Neutrons induced a dose-dependent cytotoxicity and mutation frequency in the AL cells.
(4) The frequency of rare fragile sites was studied among 240 children in special schools for subnormal intelligence (IQ 52-85).
(5) Increased infusion flow rate did not increase the limiting frequency.
(6) 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.
(7) As prolongation of the action potential by TEA facilitates preferentially the hormone release evoked by low (ineffective) frequencies, it is suggested that a frequency-dependent broadening of action potentials which reportedly occurs on neurosecretory neurones may play an important role in the frequency-dependent facilitation of hormone release from the rat neurohypophysis.
(8) The main result of the correspondence analysis is a geometric map of this relationship showing how the relative frequencies of headache types change with age.
(9) This exploratory survey of 100 patients with rheumatoid arthritis (RA) was conducted (1) to learn about the types and frequencies of disability law-related problems encountered as a result of having RA, and (2) to assess the respective relationships between the number of disability law-related problems reported and the patients' sociodemographic and RA disease characteristics.
(10) The frequency of gastric malignancies in the families of the women with gastric polyps was higher than in the controls and in men, 6.2, 3.1 and 2.4 percent, respectively (p less than 0.05, and p less than 0.025).
(11) There was no important difference in the frequency of HLA-A,B,C, and DR antigens between patients and controls.
(12) The high frequency of increased PCV number in San, S.A. Negroes and American Negroes is in keeping with the view that the Khoisan peoples (here represented by the San), the Southern African Negroes and the African ancestors of American Blacks sprang from a common proto-negriform stock.
(13) The decline in the frequency of serious complications was primarily due to a decrease in the proportion of patients with open fractures treated with plate osteosynthesis from nearly 50% to 19%.
(14) Thus, successful thrombolysis decreases the frequency of ventricular ectopic activity and late potentials in the early postinfarction phase.
(15) Such a need has occurred in New York City, where schistosomiasis, with its protean manifestations has been seen with increasing frequency.
(16) The types, frequency, and clinical features of neoplasms encountered in the perinatal period are markedly different from those observed in older children and adolescents.
(17) This transient paresis was accompanied by a dramatic fall in the MFCV concomitant with a shift of the power spectrum to the lower frequencies.
(18) Their receptive fields comprise a temporally and spatially linear mechanism (center plus antagonistic surround) that responds to relatively low spatial frequency stimuli, and a temporally nonlinear mechanism, coextensive with the linear mechanism, that--though broad in extent--responds best to high spatial-frequency stimuli.
(19) Each test was examined by the frequency with which it was ordered, the frequency with which it was abnormal, and the frequency with which the abnormal result affected preoperative care.
(20) Right hemisphere inactivation caused a decrease in the frequency of lateral hypothalamus self-stimulation, whereas with left hemisphere inactivation it increased, which testifies to right hemisphere dominance in self-stimulation reaction.
Periodicity
Definition:
(n.) The quality or state of being periodical, or regularly recurrent; as, the periodicity in the vital phenomena of plants.
Example Sentences:
(1) Without medication atypical ventricular tachycardia develops, in the author's opinion, most probably when bradycardia has persisted for a prolonged period.
(2) Disease stabilisation was associated with prolonged periods of comparatively high plasma levels of drug, which appeared to be determined primarily by reduced drug clearance.
(3) Although the mean values for all hemodynamic variables between the two placebo periods were minimally changed, the differences in individual patients were striking.
(4) It was shown in experiments on four dogs by the conditioned method that the period of recovery of conditioned activity after one hour ether anaesthesia tested 7 to 7.5 days.
(5) Under blood preservation conditions the difference of the rates of ATP-production and -consumption is the most important factor for a high ATP-level over long periods.
(6) No significant change occurred in the bacterial population of our hospital unit during the period of the study (more than 3 years).
(7) The secondary leukemia that occurred in these patients could be distinguished from the secondary leukemia that occurs after treatment with alkylating agents by the following: a shorter latency period; a predominance of monocytic or myelomonocytic features; and frequent cytogenetic abnormalities involving 11q23.
(8) Sixteen patients in whom schizophrenia was initially diagnosed and who were treated with fluphenazine enanthate or decanoate developed severe depression for a short period after the injection.
(9) During the study period four family outbreaks and seven recurrences of infection were observed.
(10) After a period on fat-rich diet the patient's physical fitness was increased and the recovery period after the acute load was shorter.
(11) During this period he developed autoimmune haemolytic anaemia, a rare complication of myelofibrosis.
(12) Pituitary weight, mitotic index and chromosomes were studied in male rats following a single or repeated dose of estradiol-benzoate for a total period of 210 days.
(13) Most thyroid hormone actions, however, appear in the perinatal period, and infants with thyroid agenesis appear normal at birth and develop normally with prompt neonatal diagnosis and treatment.
(14) Maximal aberration yields were observed for 2,4-diaminotoluene, 2,6-diaminotoluene and cytosine beta-D-arabinofuranoside from 17 to 21 h, eugenol from 15 to 21 h, cadmium sulfate from 15 to 24 h and 2-aminobiphenyl, from 17 to 24 h. For adriamycin at 1 microM, the % aberrant cells remained elevated throughout the period from 9 to 29 h, while small increases at 0.1 microM ADR were found only at 13 and at 25 h. For most chemicals the maximal aberration yield occurred at a different time for each concentration tested.
(15) Accuracy of discrimination of letters at various preselected distances was determined each session while Ortho-rater examinations were given periodically throughout training.
(16) During electrophysiologic study, the effect of propafenone on the effective refractory period of the accessory pathway was determined, as well as its effect during orthodromic atrioventricular (AV) reentrant tachycardia and atrial fibrillation.
(17) Time-series analysis and multiple-regression modeling procedures were used to characterize changes in the overall incidence rate over the study period and to describe the contribution of additional measures to the dynamics of the incidence rates.
(18) Throughout the period of rehabilitation, the frequent changes of a patient's condition may require a process of ongoing evaluation and appropriate adjustments in the physical therapy program.
(19) Anthropometric and nutritional (serum albumin and transferrin) values were normal in both groups both at the beginning and at the end of the treatment period.
(20) Analysis of conjugated discharges ACHs showed that they appeared predominantly periodically (87% of cases).