What's the difference between monopolar and unipolar?
Monopolar
Definition:
Example Sentences:
(1) The cells are predominantly monopolar, tightly packed, and are flattened at the outer border of the ring.
(2) The data shows the power (watts) delivered by the monopolar probe to be approximately six times that of the bipolar probe.
(3) Monopolar biphasic constant current pulses with variable pulse widths were used.
(4) Preoperatively, the CT characteristics of the proposed trajectory of the biopsy needle were determined and correlated intraoperatively with the impedance profile as obtained with a monopolar electrode.
(5) Afferent nerve activity is recorded with a monopolar platinum wire electrode from filaments of the mesenteric nerves that run between the artery and vein supplying the segment.
(6) The monopolar transvenous electrode is known in various types.
(7) Diazepam and medazepam exposure of immortal and low passage number cells resulted in the formation of monopolar mitotic spindles and subsequent metaphase arrest.
(8) Moreover, the growth cones of monopolar neurons, which are likely to be associated with the axonal processes, differed from those of multipolar neurons, which might be related to dendritic terminals.
(9) Surprisingly, the perikarya of both monopolar and bipolar LHRH neurons were significantly larger in hamsters that had been maintained on short days, as opposed to long days.
(10) A monopolar stimulus at a frequency of 50 Hz was found to produce the pressor response most effectively.
(11) Each monopolar spindle appears to be exactly half of a spindle because two of them can come together to form a functional bipolar spindle of normal appearance.
(12) Monopolar and bipolar phasic psychoses can be differentiated not only on the course but also on the symptom pattern.
(13) Regional myocardial PO2 was measured at two different sites using two pairs of monopolar polarographic needle electrodes; one inserted in the epicardial (EPI) layer, and the other in the endocardial (ENDO) layer.
(14) Premorbid personalities are studied in 65 monopolar endogennous depressives (ICD-Nos.
(15) 1642 catheters (implant and reimplant) have been used; principally endocardic (95%) and monopolar (85%).
(16) The most intense ACh-like reactivity was observed in monopolar neurons of the medulla externa and medulla interna.
(17) The mean pain threshold was also higher with bipolar than with monopolar stimulation, 16.0 microA (S.D.
(18) Monopolar forms in the cerebellum are inferred to be progenitors of Bergmann glia.
(19) As many as 38 patients with the bipolar and 70 patients with the monopolar types of affective psychosis manifesting at an age over 45 years were examined.
(20) Approximately twice the current was required to achieve a given response using the tripolar configuration as compared with monopolar stimulation.
Unipolar
Definition:
(a.) Having, or acting by means of, one pole only.
(a.) Having but one pole or process; -- applied to those ganglionic nerve cells which have but one radiating process; -- opposed to multipolar.
Example Sentences:
(1) Bipolar affective illness were more frequent in the families of bipolar than unipolar probands.
(2) A case of a unipolar surgical electrocautery-induced runaway pacemaker is described.
(3) Twenty-one rats were divided into two groups: the control group which received no galvanic stimulation, and the galvanically stimulated group which received anodal galvanic stimulation (unipolar monoauricular, 5 mA in intensity, 500 msec of duration, 1 Hz in frequency) for 30 minutes.
(4) Unipolar rather than bipolar electrodes were used as they rpovided more reliable stimulation and more satisfactory electrograms for detection.
(5) A modified CWS technique using an external pulse generator (pulse width = 40 msec) ordinarily used for transcutaneous cardiac pacing was tested in 74 patients (40 with unipolar and 34 with bipolar DDD devices).
(6) The relationship of response to neuroleptic dose and desipramine plasma concentration was examined in 31 patients with unipolar delusional depression.
(7) RBC Ca++ adenosine triphosphatase (ATPase) was lower in unipolar and control subjects than in bipolar depressed and manic patients.
(8) Eighty-seven unipolar electrocardiograms distributed over the anterior chest and the back were recorded simultaneously before and after the submaximal treadmill exercise.
(9) To determine if anodal excitation during bipolar stimulation facilitates the initiation of sustained monomorphic ventricular tachycardia, nonsustained polymorphic ventricular tachycardia, or repetitive ventricular responses, both bipolar and cathodal unipolar programmed ventricular stimulation with one to three extrastimuli delivered during ventricular pacing at two rates from the right ventricular apex were performed in 28 patients evaluated for spontaneous sustained ventricular tachycardia or ventricular fibrillation (11 patients), nonsustained tachycardia (eight patients), or syncope (nine patients).
(10) The results also suggest that there is some symptomatic overlap between schizophrenia and affective disorders regarding a disturbance in social relatedness predominant over a disturbance in mood (for unipolar states) and a disturbance in thought predominant over a disturbance in mood (for bipolar states).
(11) An early sleep GH increase was found in all but one of the normal men, but was absent in seven of the eight unipolar depressed patients, who had instead a presleep increase.
(12) Following an earlier report, plasma cortisol-binding capacity (CBC) was estimated in a new series of 11 men with unipolar depression and 11 men with bipolar illness admitted to hospital.
(13) The incidence of insulation break in this polyurethane unipolar electrode is uncommon and occurs at further stress points.
(14) No differences in magnesium levels were found in relation to diagnosis (unipolar, bipolar), sex and age.
(15) Patients with unipolar depression showed a significantly lower ratio of the metabolic rate of the caudate nucleus, divided by that of the hemisphere as a whole, when compared with normal controls and patients with bipolar depression.
(16) Although clinical series have shown success rates for bipolar prostheses as good as those for unipolar prostheses, the intended advantages have not been clearly demonstrated.
(17) Unipolar and bipolar leads are of similar reliability, apart from a number of specific bipolar polyurethane leads which have been identified.
(18) Animals were studied hemodynamically and with unipolar electrocardiographic mapping acutely and then were studied after a week and killed.
(19) Unipolar and bipolar intracardiac electrograms of NSR and 23 episodes of ventricular tachycardia (VT) from 23 patients were obtained from a right ventricular apex electrode catheter during routine electrophysiology studies.
(20) Survival curves were used to analyze the relationship between chronicity of depression and hospital course in 48 adolescents with unipolar major depression.