(a.) Not regular; not conforming to a law, method, or usage recognized as the general rule; not according to common form; not conformable to nature, to the rules of moral rectitude, or to established principles; not normal; unnatural; immethodical; unsymmetrical; erratic; no straight; not uniform; as, an irregular line; an irregular figure; an irregular verse; an irregular physician; an irregular proceeding; irregular motion; irregular conduct, etc. Cf. Regular.
(n.) One who is not regular; especially, a soldier not in regular service.
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.
Nonrhythmic
Definition:
Example Sentences:
(1) Sustained tonic discharge in AGR can induce cyclic bursting activity in previously nonrhythmic GM neurons.
(2) The MC has a nonrhythmic, low-voltage activity with occasional superimposed large sharp waves (LSWs), generally biphasic, 100-300 microV and lasting 0.25-0.75 s. The DC has smaller amplitudes (ca.
(3) Involuntary control is mediated by both rhythmic and nonrhythmic systems located in the brainstem.
(4) The EEG was nonrhythmic (rhythmicity coefficient less than 0.40).
(5) These established changes in synaptic plasticity, recurrent inhibition, nonrhythmical EEG and evoked responses would indicate that information processing is severely hampered in the first stage of the hippocampal trisynaptic circuit after fimbria-fornix lesioning.
(6) The mean firing rates and coherence values relating the discharges of these "nonrhythmically firing neurons" and the 10-Hz rhythm in SND were significantly lower than those for the rhythmically firing neurons.
(7) However, elevator, nonrhythmic, and tonically active cells also received short-latency EPSPs from the SRs.
(8) Three patients are described with nonrhythmic repetitive axial myoclonic jerks causing symmetric flexion of the neck, trunk, hips and knees.
(9) The gastric central pattern generator (CPG), located in the stomatogastric ganglion (STG) of the spiny lobster (Panulirus interruptus), is nonrhythmic when deprived of neuromodulatory inputs from anterior ganglia.
(10) Cell discharge patterns of rhythmicity (phasic), or nonrhythmicity (tonic) on the other hand, were not good predictors of whether cells were in close proximity since there was an equal probability of a phasic cell being paired with either a phasic or a tonic cell.
(11) Ovariectomy on Day 21 and killing on Days 26, 28 or 30 at hourly intervals resulted in variable but nonrhythmic patterns of circulating LH.
(12) Thus, the above spectral-correlation parameters of rabbit's cortical potentials differ from those which arise at pairing of continuous nonrhythmic stimuli.
(13) These studies show that a population of neurons is activated by a nonrhythmical input from the cortical masticatory area (CMA) and produces a rhythmical output to the trigeminal motoneurons innervating the jaw-opening muscles.
(14) The majority of pups exhibited a nonrhythmic release of hormones.
(15) Males that were exposed to light or temperature pulses 5 days after pupation subsequently showed nonrhythmic sperm release.
(16) To ascertain whether touch, in the form of extra tactile stimulation, would result in more rapid physical and social development and a greater degree of social development of the premature infant, 48 minutes of extra tactile stimulation, defines as a gentle, nonrhythmic stroking of the greatest possible area of skin surface of the infant's body by the nurse's hand, was given to eight experimental group premature infants daily for a minimum of two weeks while they were confined to an isolette.
(17) On review of the salient features of the myoclonus, we discerned four phenomenological subcategories: (a) oscillatory myoclonus, (b) rhythmic segmental myoclonus, (c) nonrhythmic segmental myoclonus, and (d) nonrhythmic multifocal myoclonus.
(18) Five other mXII neurons exhibited nonrhythmic activity during licking and could not be classified as protrudor- or retractor-related on the basis of cross-correlations with the AD.
(19) These results indicate that the RPO region contributes to the generation of hippocampal theta rhythm with a tonic and nonrhythmic outflow through a cholinergic system which may be muscarinic.
(20) Also, in the DG the power of awake immobility-related nonrhythmical electroencephalogram (EEG) was significantly lower in FF-lesioned rats than in controls.