(n.) A nonconductor of electricity, as amber, glass, resin, etc., employed to excite or accumulate electricity.
Example Sentences:
(1) The dependence of fluorescence polarization of stained nerve fibres on the angle between the fibre axis and electrical vector of exciting light (azimuth characteristics) has been considered.
(2) Cellular radial expansion was apparently unaffected by exposure to electric fields.
(3) The purpose of the present study was to analyze the effects of cromakalim (BRL 34915), a potent drug from a new class of drugs characterized as "K+ channel openers", on the electrical activity of human skeletal muscle.
(4) Noradrenaline (NA) was released from sympathetic nerve endings in the tissue by electrical stimulation of the mesenteric nerves or by the indirect sympathomimetic agent tyramine.
(5) The automatic half of both the motor which advances the trepan as well as the second motor which rotates the trepan is triggered by the sudden change in electrical resistance between the trepan and the patient's internal body fluid, at the final stage of penetration.
(6) All of the serotonergic antagonists studied had additional effects on the response of the coronary artery to electrical stimulation or to norepinephrine.
(7) Hyperosmolar buffer slightly increased the sensitivity and maximal response to methacholine as well as the cholinergic twitch to electric field stimulation.
(8) The electrical stimulation of the tail associated to a restraint condition of the rat produces a significant increase of immunoreactive DYN in cervical, thoracic and lumbar segments of spinal cord, therefore indicating a correlative, if not causal, relationship between the spinal dynorphinergic system and aversive stimuli.
(9) Electrical stimulation of afferent pathways at intensities just below threshold for eliciting action potentials resulted in a dramatic decrease in JSCP threshold.
(10) Average temperature changes observed were less than 1 degree C. The present study demonstrates that the electrically evoked response in mammalian brain can be altered by ultrasound in a non-thermal, non-cavitational mode, and that such effects are potentially reversible.
(11) Quantitative esophageal sensibility, therefore is concluded to be particularly suited to evaluation by electric stimulation.
(12) The new trabecular bone closely resembled that typically seen at electrically active implants.
(13) A second group was chronically implanted without electrical stimulation in one leg and implanted with cyclical electrical stimulation applied through the electrode in the other leg.
(14) The intermandibularis is probably present only in electric rays.
(15) Masking experiments are demonstrated for electrical frequency-modulated tone bursts from 1,000 to 10,000 cps and from 10,000 to 1,000 cps with superimposed clicks.
(16) Photograph: AP Reasons for wavering • State relies on coal-fired electricity • Poor prospects for wind power • Conservative Democrat • Represents conservative district in conservative state and was elected on narrow margins Campaign support from fossil fuel interests in 2008 • $93,743 G K Butterfield (North Carolina) GK Butterfield, North Carolina.
(17) It is suggested that intra-endothelial conduction of electrical signals from capillaries to the resistance vessels may be involved in the local regulation of blood flow in the intact heart.
(18) In the anesthetized cat, the posterior canal nerve (PCN) was stimulated by electric pulses and synaptic responses were recorded intracellularly in the three antagonistic pairs of extraocular motoneurons.
(19) 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).
(20) It is suggested that contractile responses to electrical stimulation in isolated sheep urethral smooth muscle are mediated by the sympathetic nervous system, mainly through release of noradrenaline stimulating postjunctional alpha 1-adrenoceptors.
Switch
Definition:
(n.) A small, flexible twig or rod.
(n.) A movable part of a rail; or of opposite rails, for transferring cars from one track to another.
(n.) A separate mass or trees of hair, or of some substance (at jute) made to resemble hair, worn on the head by women.
(n.) A mechanical device for shifting an electric current to another circuit.
(v. t.) To strike with a switch or small flexible rod; to whip.
(v. t.) To swing or whisk; as, to switch a cane.
(v. t.) To trim, as, a hedge.
(v. t.) To turn from one railway track to another; to transfer by a switch; -- generally with off, from, etc.; as, to switch off a train; to switch a car from one track to another.
(v. t.) To shift to another circuit.
(v. i.) To walk with a jerk.
Example Sentences:
(1) We also demonstrated a significant difference in the Hb switching process between male and female newborns.
(2) Accumulating evidence indicates that for most tumors, the switch to the angiogenic phenotype depends upon the outcome of a balance between angiogenic stimulators and angiogenic inhibitors, both of which may be produced by tumor cells and perhaps by certain host cells.
(3) Nine years of clinical experience of the application of the Q-switched ruby laser to the removal of tattoos is presented.
(4) Males exploit this behavioural switch by increasing their sneaky mating attempts.
(5) It is hypothesized, furthermore, that the kinetics of emergence and loss of these various populations may reflect switching in the mode of immunity being expressed, particularly during the chronic phase of the infection, from that of a state of active immunity to one of immunologic memory.
(6) Police in Rockhampton have ordered residents to leave their homes as electricity is switched off in low-lying areas.
(7) The drug I started taking caused an irritating, chronic cough, which disappeared when I switched to an inexpensive diuretic.
(8) Our aim is to obtain evidence for trans-acting factors that regulate developmental hemoglobin (Hb) switching.
(9) Should such symptoms occur, the doctor has the choice of either switching to another first-step compound or reducing the dose of the first agent and combining it with one of other available drugs.
(10) I’ve warned Dave before to mind his ps and qs when the cameras are rolling, but the problem is you can never tell when the microphones are switched on.
(11) This modification improves the convergence properties of the network and is used to control a switch which activates the learning or template formation process when the input is "unknown".
(12) Usage of analyzing cardiac monitors with a signalling system switched on by the preset values of ST-segment depression prevented the evolution of myocardial ischemia and the development of exercise-induced anginal episodes.
(13) "It's very clear now that the administration agrees with us," said Wyden, hailing a switch from both the Bush and Obama administration stance that "collecting these records is vital to western civilisation".
(14) A programmable controller manages the olfactometer dilution stage selection, the odor stimulus switch and starts the peripheral devices required by the experiment.
(15) In hybrids before the switch, the gamma-genes are unmethylated.
(16) "The default switch should be set to release information unless there is an extremely good reason for withholding it.".
(17) A transistor radio activated by a mercury switch was used to reinforce head posture in two retarded children with severe cerebral palsy.
(18) The swi1+ gene is necessary for effective mating-type (MT) switching in Schizosaccharomyces pombe.
(19) Consequently mother cells can switch their mating type whereas bud cells cannot.
(20) Even if nobody switched party, the general election result would look very different to what’s predicted if millennials could be persuaded to vote at the same rate as pensioners, as polls factor in turnout differences and oversample the elderly accordingly.