What's the difference between switch and twitch?

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.

Twitch


Definition:

  • (v. t.) To pull with a sudden jerk; to pluck with a short, quick motion; to snatch; as, to twitch one by the sleeve; to twitch a thing out of another's hand; to twitch off clusters of grapes.
  • (n.) The act of twitching; a pull with a jerk; a short, sudden, quick pull; as, a twitch by the sleeve.
  • (n.) A short, spastic contraction of the fibers or muscles; a simple muscular contraction; as, convulsive twitches; a twitch in the side.
  • (n.) A stick with a hole in one end through which passes a loop, which can be drawn tightly over the upper lip or an ear of a horse. By twisting the stick the compression is made sufficiently painful to keep the animal quiet during a slight surgical operation.

Example Sentences:

  • (1) Comparison of the S100 alpha-binding protein profiles in fast- and slow-twitch fibers of various species revealed few, if any, species- or fiber type-specific S100 binding proteins.
  • (2) Twitch-tetanus ratios were calculated and found not to be related to unit contraction time.6.
  • (3) Hyperosmolar buffer slightly increased the sensitivity and maximal response to methacholine as well as the cholinergic twitch to electric field stimulation.
  • (4) The present results suggest that TMB-8 blocks twitches by preventing the release of Ca++ ions bound to the intracellular surface of the t-tubular membrane which is often called the store of 'trigger-calcium' ions.
  • (5) The twitches elicited by 0.1 msec pulses were abolished by tetrodotoxin, but were not reduced by dimethyltubocurarine or by hexamethonium.
  • (6) Starting from the observation that the part above 6 Hz of the power spectrum of force tremor during isometric contractions can be related to the unfused twitches of motor units firing asynchronously, an attempt was made to study the usefulness of force tremor spectral analysis as a global descriptor of motoneurone pool activity.
  • (7) The soleus, deep portions of the vastus lateralis, and superficial portions of the vastus lateralis muscles were examined to represent slow-twitch-oxidative, fast-twitch-oxidative-glycolytic, and fast-twitch-glycolytic skeletal muscle fiber types, respectively.
  • (8) Epinephrine potentiates muscle twitches via the second messenger, cAMP, secondary to hormone binding to membrane-bound beta-receptors.
  • (9) In physiological studies CDS mimics clonidine's action as an inhibitor of the electrically induced twitch response and as a partial agonist of the epinephrine-induced platelet aggregation.
  • (10) Facial twitch was followed by the generalized convulsion, further progressing to trembling of the limbs and then kicking of the hindlimb (full seizure) after 55 days of age.
  • (11) Stimulating the dorsal root at L5 was found to produce hindleg twitches in EAE rats with complete hindlimb paralysis.
  • (12) The anesthesiologist assessed the degree of neuromuscular blockade intraoperatively prior to pharmacologic reversal either by the standard method of visually counting the number of evoked thumb twitches elicited by supramaximal train-of-four stimulation of the ulnar nerve (i.e., thumb train-of-four count), or by an alternative method such as 1) visually counting the number of evoked orbicularis oculi muscle twitches elicited by supramaximal train-of-four stimulation of the facial nerve, or 2) observing the patient for clinical evidence of partial recovery (e.g., swallowing or attempts to breathe).
  • (13) Measurements of mouth opening were made for up to 10 min after loss of the adductor pollicis twitch and cessation of muscle fasciculations.
  • (14) On the other hand, the lack of any twitch-potentiating effect by naloxone methylbromide, a quaternary derivative of naloxone, suggests that opioids which potentiate the twitch must enter the lipid phase of the membrane to act.
  • (15) The relaxant effect of catecholamines on the twitch is temperature and rate dependent.
  • (16) Disopyramide 5 X 10(-5) - 10(-3) mol litre-1 produced a concentration-dependent reduction of twitch amplitude in the indirectly stimulated chick biventer cervicis preparation, but greater concentrations were required to reduce twitches elicited directly in the presence of erabutoxin-b 1 microgram ml-1.
  • (17) The pigeon's metapatagialis muscle consists of three slips, two twitch and one tonic, and these slips are distinguishable at the gross anatomical level.
  • (18) There was a good correlation between the two methods of measurement for both twitch height and train-of-four ratio (correlation coefficients 0.93 and 0.97, respectively).
  • (19) Head twitches induced by 1-(2,5-dimethoxy-4-iodophenyl)-2-aminopropane (DOI) could be abolished by low doses of RP 62203 in mice (ED50 = 0.44 mg kg-1, p.o.)
  • (20) Chronic stimulation of the denervated SOL resulted in twitch times-to-peak and half-relaxation times that varied in a graded manner between values longer than those in the normal SOL to values as fast as those in the normal EDL, depending upon the pattern used.