(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.
Multipolar
Definition:
(a.) Having many poles; -- applied especially to those ganglionic nerve cells which have several radiating processes.
Example Sentences:
(1) Immunostained somata are either bipolar or multipolar in appearance.
(2) The succession of excitation spreading about the cardiac ventricles was studied in 28 dogs using the intramural multipolar technique.
(3) At 15-16 weeks neurons are mostly bipolar although different forms of multipolar cells may be seen.
(4) 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.
(5) The first type included large multipolar neurons with triangular or polygonal perikarya and typically 3-5 dendrites emerging from the poles of each cell.
(6) Multipolar cells with cell bodies distal (MP1) or proximal (MP2) to the plexiform layer send processes to several cartridges.
(7) These multipolar CGRP-containing neurons are preferentially concentrated in the external medial and external lateral subnuclei, in the ventral aspect of the parabrachial nucleus.
(8) Three morphologically distinct types of GABA-immunoreactive (GABA-ir) cell bodies were observed, multipolar neurons in the lateral grey cell column, apparently bipolar cells in the ventral aspect of the dorsal horn, and small liquor-contacting cells surrounding the central canal.
(9) Type II neurons had multipolar or polygonal cell bodies, which measured an average 31 micrometer by 43 micrometer and emitted four to seven primary dendrites.
(10) Type 2 multipolar cells are large neurons endowed with numerous primary spiny dendrites constituting a wide round dendritic field and with a thick axon.
(11) In all multipolar neurons the fine structure of the initial segment has the same pattern, whether or not the axon is ensheathed in myelin.
(12) Like Colcemid, however, prolonged arrest in mitosis with N(2)O led to an increased incidence of multipolar spindles.
(13) Light and electron microscope studies on normal and experimental material in the lateral superior olive (LSO) of cat revealed the presence of three types of neurons: (i) fusiform cells characterized by the large number of terminals articulating with them and projecting to the nuclei of the lateral lemniscus (NLL) and central nucleus of the inferior colliculus (CNIC) (ii) marginal cells embedded in the neuropil of the fibrous capsule and sharing input and output characteristics with the fusiform neurons (iii) multipolar cells with spinous dendrites, local axonal spread and synaptic relation restricted to few afferents only.
(14) Neurones in the central cervical nucleus were multipolar, had mean equivalent diameters of about 24 microns, and their axons ascended on the contralateral side of the spinal cord.
(15) Incubation of vestibular ganglion cells from the rat fetus was successfully done demonstrating bipolar and multipolar cells in the cell cultures produced.
(16) After stopping the drug action the cytochalasin B-induced multinucleate cells continue to divide by multipolar mitosis.
(17) This study prospectively compares multipolar electrocoagulation and injection therapy in high-risk patients with bleeding ulcers.
(18) Pyramidal neurons, fusiform neurons, multiapical pyramidal cells, inverted pyramidal cells, fan shaped neurons and multipolar neurons with large descending axons were interpreted as being the main source of long projection and association connections.
(19) Furthermore, Hynobius eggs fertilized by natural mating incorporated only one sperm nucleus, and experimentally polyspermic eggs underwent multipolar division.
(20) To determine whether changes in the capacity to develop dendrites might occur with aging in vitro, ganglia were removed from prenatal rats and grown as explants for 3 weeks in the presence of non-neuronal cells; under these conditions, prenatal neurons within the explant became multipolar.