What's the difference between infrequency and irregularity?

Infrequency


Definition:

  • (n.) The state of rarely occuring; uncommonness; rareness; as, the infrquence of his visits.
  • (n.) The state of not being frequented; solitude; isolation; retirement; seclusion.

Example Sentences:

  • (1) Surgical repair of the rheumatologic should however, is performed rarely, and should be reserved for the infrequent cases that do not respond to medical therapy.
  • (2) Despite of the increasing diagnostic importance of the direct determination of the parathormone which is at first available only in special institutions in these cases methodical problems play a less important part than the still not infrequent appearing misunderstanding of the adequate basic disease.
  • (3) Significant side-effects occurred infrequently and only 2 children lost weight during the period of medication.
  • (4) At 7 days axonal swellings were infrequently observed and the main structural feature was a reduction in myelin thickness in affected nerve fibers.
  • (5) In view of its infrequent and vague presentation, care is required to avoid overlooking the diagnosis of abdominal tuberculosis, particularly in the immigrant population.
  • (6) Allelic complementation was not observed, despite testing of a large number of allele pairs, and alleles suppressible by the ochre suppressor SUP11 were absent from a sample of 48 spontaneous mutants and occurred infrequently (7%) among a sample of ultraviolet-induced mutants.
  • (7) Social isolation, characterized by extremely infrequent contacts with other people, affects approximately one out of ten elderly people.
  • (8) This device is a possible improvement in the treatment of infants needing long term venous access, although doctors should be aware of the infrequent complications.
  • (9) This has been infrequently reported to occur during general anesthesia and to cause respiratory embarrassment, representing a significant hazard.
  • (10) Although runaway is infrequent with current generation pacemakers, it should be considered in addition to the more common causes of pacemaker malfunction in the patient with appropriate symptoms.
  • (11) Unequivocal interstitial deposits were infrequent and IgM was present in blood vessels in one patient only.
  • (12) In contrast, control Y79 cells not exposed to medium conditioned by RPE cells exhibit only infrequent neuronal phenotypes.
  • (13) In a series of over 200 patients, raised values were found frequently in hepatobiliary disease and infrequently in bone disease.
  • (14) Further, from the plateau values of the ratios, it follows that the substrates dissociate very infrequently from the ternary complex and that at a low substrate concentration 72% of the reaction follows the pathway in which ATP adds first to the enzyme.
  • (15) We conclude that this neuropathy, which is quite different from the infrequent peripheral nerve syndromes previously described in this illness, is commonly present in late Lyme disease.
  • (16) Biopsy of lymph nodes or brain and serologic tests needed for definitive diagnosis were done infrequently.
  • (17) Hematological side effects of neuroleptic drugs occur infrequently but remain a potential cause of serious toxicity.
  • (18) Four peaks (I, II, III, V) were present in all recordings, and a fifth (IV) was present infrequently.
  • (19) The gonadotrophin response to oestrogen levels was temporarily or permanently disordered in all but 3 patients in this series, whereas an ovarian refractoriness to gonadotrophins was only infrequently observed.
  • (20) Interhemispheric subdural hematoma (ISDH), although not infrequent in children, has been rarely encountered in adults.

Irregularity


Definition:

  • (n.) The state or quality of being irregular; that which is irregular.

Example Sentences:

  • (1) Aggregation was more frequent in low-osmolal media: mainly rouleaux were formed in ioxaglate but irregular aggregates in non-ionic media.
  • (2) They were more irregularly curved and consisted of various substances.
  • (3) The results of the measurements permitted the identification of five main cytologic types, with regard to nuclear size, nuclear area dispersion and irregularity of nuclear profiles.
  • (4) A detailed stereochemical analysis of known protein structures has been made which shows that: (1) irregular regions of proteins consist of a limited number of standard structures formed by three, four of more residues; (2) an amino acid residue of a protein can adopt one of the six sterically allowed conformations designated here as alpha, alpha L, beta, gamma, delta, and epsilon.
  • (5) Endoscopy showed an irregular erosion of 4 by 2 cm, from which biopsies were taken.
  • (6) Aside from typical nuclear spheroids, irregularly shaped nuclei were frequently seen, associated with increased nuclear folds, transitional stages between nuclear folds and nuclear spheroids were also present.
  • (7) Although the level of ventilation is maintained constant during eating and drinking, the pattern of breathing becomes increasingly irregular.
  • (8) Numerous slender sarcotubules, originating from the A-band side terminal cisternae, extend obliquely or longitudinally and form oval or irregular shaped networks of various sizes in front of the A-band, then become continuous with the tiny mesh (fenestrated collar) in front of the H-band.
  • (9) What happened in the past was that if smugglers are sure that European boats are patrolling very close to the Libyan coast, then traffickers use this opportunity to advertise, and say to potential irregular migrants: ‘You will be sure to reach the European coast.
  • (10) In contrast, mean diameter of normal epicardial coronary artery tended to decrease and that of irregular epicardial coronary artery decreased significantly after intracoronary injection of acetylcholine.
  • (11) These findings are in agreement with the concept that irregular lesions represent ruptured atherosclerotic plaques and demonstrate that they usually originate from mildly occlusive smooth plaques.
  • (12) After 21 months, there appears to be no correlation between the amount of material adhering to the IUD and method complications (irregular and excessive bleeding) or method failure (pregnancy).
  • (13) The patient described in this report has the classic findings of Bardet-Biedl syndrome in conjunction with tibia vara and irregular physes of the lower extremities.
  • (14) After cessation her previously regular menstrual periods became very irregular and complete amenorrhea had lasted 4 months.
  • (15) Histochemical and electron-microscopic observations on a 30-month-old child with Hurler syndrome showed marked irregularities in chondrocyte orientation within the growth plate, along with disruption of the normal columnar architecture.
  • (16) The endocrine pattern and ovarian characteristics of 110 healthy adolescents with menstrual irregularities were investigated during the early follicular and premenstrual phases and were compared to those of 14 adolescents with regular menstrual cycles and 20 adults.
  • (17) Hypertrophy of the satellite cells with increase in the perineuronal intercellular spaces, often associated with irregular, scalloped nuclear and cell outlines, suggested that neuron shrinkage had occurred.
  • (18) Light microscopic examination of irregularly thickened white and black portions of abnormal scales demonstrated two distinctive populations of pigment-containing cells.
  • (19) In the second hypertrophied form [Type II], the endoplasmic reticulum is very prominent and occurs as a series of grossly dilated sacs of irregular shape.
  • (20) Disruption of the rhythmic activity of the inspiratory neurons and its replacement by a continuous and irregular discharge may lead to sustained contraction of inspiratory muscles and cessation of respiration.