(a.) Doubly polar; having two poles; as, a bipolar cell or corpuscle.
Example Sentences:
(1) Thirteen patients with bipolar affective illness who had received lithium therapy for 1-5 years were tested retrospectively for evidence of cortical dysfunction.
(2) The data are compared with the results from 79 patients with a bipolar depression, 192 with a neurotic depression and 89 with a depressive reaction.
(3) Bipolar derivations with the maximum PSE always included the locations with the maximum PSE obtained from a linked ears reference.
(4) Immunostained somata are either bipolar or multipolar in appearance.
(5) Bipolar affective illness were more frequent in the families of bipolar than unipolar probands.
(6) Electromagnetic interference presented as inhibition and resetting of the demand circuitry of a ventricular-inhibited temporary external pacemaker in a 70-year-old man undergoing surgical implantation of a permanent bipolar pacemaker generator and lead.
(7) Among the epileptic patients investigated by the stereotactic E. E. G. (Talairach) whose electrodes were introduced at or around the auditory cortex (Area 41, 42), the topography of the auditory responses by the electrical bipolar stimulation and that of the auditory evoked potential by the bilateral click sound stimulation were studied in relation to the ac--pc line (Talairach).
(8) Bipolar cells appeared to be spared from damage at these doses.
(9) Inhibition of Ca influx and Ca current by gamma-aminobutyric acid (GABA) was studied in single synaptic terminals of isolated retinal bipolar neurons.
(10) Studies of patients with diseases such as Parkinson's disease, Huntington's disease, Alzheimer's disease, bipolar disease, and schizophrenia are in progress.
(11) At implant, bipolar endocardial electrograms were recorded before each shock application, during ventricular fibrillation, during redetection of ventricular fibrillation in case the applied shock was ineffective, and at intervals of 5, 10, 20, 30, 60, and 120 seconds after each shock delivery.
(12) Rod adaptation had no reliable influence on response to rapid onset in cones or bipolar cells.
(13) Unipolar rather than bipolar electrodes were used as they rpovided more reliable stimulation and more satisfactory electrograms for detection.
(14) 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).
(15) Since indoleaminergic cells make reciprocal synaptic connections with rod bipolar cell terminals, which are depolarizing in the rabbit retina, we hypothesize that 5-HT2 receptors facilitate the synaptic transmission from the depolarizing rod bipolar cell thus facilitating ON-excitation in the retinal network while 5-HT1A receptors mediate an inhibitory process.
(16) In addition, we developed a methodology for lead placement when using two bipolar leads, as is typical for ambulatory electrocardiography.
(17) While algorithms for bipolar intraventricular electrogram analysis have potential use in complementing rate criteria for ventricular tachycardia (VT) detection by implantable antitachycardia devices, the sensitivity of such algorithms to the intracavitary site of electrogram detection has not been determined.
(18) In the human retina, which has both cones and rods in abundance, cones, cone bipolars, ganglion cells, horizontal cells, and small and large amacrine cells were labeled.
(19) Mianserin in a dosage of 20 mg 3 times daily, was given to 13 patients with bipolar affective illness, who were previously maintained on lithium.
(20) The data shows the power (watts) delivered by the monopolar probe to be approximately six times that of the bipolar probe.
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.