(a.) Of or pertaining to a period or periods, or to division by periods.
(a.) Performed in a period, or regular revolution; proceeding in a series of successive circuits; as, the periodical motion of the planets round the sun.
(a.) Happening, by revolution, at a stated time; returning regularly, after a certain period of time; acting, happening, or appearing, at fixed intervals; recurring; as, periodical epidemics.
(a.) Of or pertaining to a period; constituting a complete sentence.
(n.) A magazine or other publication which appears at stated or regular intervals.
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).
Trimonthly
Definition:
Example Sentences:
(1) The seven patients were monitored trimonthly by cystoscopy, multiple biopsies and cytopreparations.
(2) Because of the reported association of breast cancer with bloody nipple discharge, close follow-up of these women at monthly intervals during pregnancy and trimonthly during the postpartum period was carried out.
(3) Detailed clinical evaluation was performed trimonthly.
(4) During a period of 7 years this program was carried out with 4 items: the motivation of the children; a daily teeth brushing; a weekly mouth rinsing with a 0.2% NaF solution; a trimonthly clinical examination.
(5) In sudden deafness, very slight but statistically significant differences were found, when the numbers of patients and the onsets were analyzed by monthly basis, trimonthly basis (Nov-Jan, Feb-Apr, May-July and Aug-Oct) and quarterly basis.
(6) His serum IgG has remained at this level for the past 12 months with trimonthly booster doses of transfer factor.
(7) However, the difference in slopes of regression lines obtained from trimonthly determinations was nonsignificant.
(8) A total of 98 adults previously treated for moderate to advanced periodontitis and on a trimonthly recall schedule were screened for the presence of critical levels of Actinobacillus actinomycetemcomitans, Prevotella (Bacteroides) intermedia, and Porphyromonas (Bacteroides) gingivalis.
(9) The treatment consisted of placement of two 10 F gauge straight endoprostheses with elective exchange trimonthly, for a 1-year period.
(10) During pregnancy, no change of ST was noted on lateral and frontal skull x-ray performed in every patient at trimonthly intervals.
(11) With the exception of P. gingivalis, for which insufficient data were available, the results indicate that the presence or absence of the above bacterial species cannot of itself serve as a reliable predictor of future episodes of recurrent disease in a population of treated patients on a regular trimonthly recall schedule.
(12) Trimonthly injections of medroxyprogesterone acetate of norethindrone enanthate provide contraception through a long lasting antigonadotropic effect.
(13) Use of trimonthly injections of medroxyprogesterone acetate (150 mg) as a contraceptive in 110 women and for medical indications in 62 women is reported.
(14) The 95% confidence interval for the difference in slopes of regression lines obtained from trimonthly manual muscle tests on all subjects was markedly asymmetric in favor of the diltiazem group, but this difference was also not significant.
(15) Hormonal contraception (including combined, sequential, and "minipill" preparations and trimonthly depot-progesterone injections), IUDs, and tubal ligation are briefly described and the social, psychological, and ethical aspects of family planning are discussed.