What's the difference between twist and twitch?

Twist


Definition:

  • (v. t.) To contort; to writhe; to complicate; to crook spirally; to convolve.
  • (v. t.) Hence, to turn from the true form or meaning; to pervert; as, to twist a passage cited from an author.
  • (v. t.) To distort, as a solid body, by turning one part relatively to another about an axis passing through both; to subject to torsion; as, to twist a shaft.
  • (v. t.) To wreathe; to wind; to encircle; to unite by intertexture of parts.
  • (v. t.) To wind into; to insinuate; -- used reflexively; as, avarice twists itself into all human concerns.
  • (v. t.) To unite by winding one thread, strand, or other flexible substance, round another; to form by convolution, or winding separate things round each other; as, to twist yarn or thread.
  • (v. t.) Hence, to form as if by winding one part around another; to wreathe; to make up.
  • (v. t.) To form into a thread from many fine filaments; as, to twist wool or cotton.
  • (v. i.) To be contorted; to writhe; to be distorted by torsion; to be united by winding round each other; to be or become twisted; as, some strands will twist more easily than others.
  • (v. i.) To follow a helical or spiral course; to be in the form of a helix.
  • (n.) The act of twisting; a contortion; a flexure; a convolution; a bending.
  • (n.) The form given in twisting.
  • (n.) That which is formed by twisting, convoluting, or uniting parts.
  • (n.) A cord, thread, or anything flexible, formed by winding strands or separate things round each other.
  • (n.) A kind of closely twisted, strong sewing silk, used by tailors, saddlers, and the like.
  • (n.) A kind of cotton yarn, of several varieties.
  • (n.) A roll of twisted dough, baked.
  • (n.) A little twisted roll of tobacco.
  • (n.) One of the threads of a warp, -- usually more tightly twisted than the filling.
  • (n.) A material for gun barrels, consisting of iron and steel twisted and welded together; as, Damascus twist.
  • (n.) The spiral course of the rifling of a gun barrel or a cannon.
  • (n.) A beverage made of brandy and gin.
  • (v. t.) A twig.

Example Sentences:

  • (1) Aberrant forms (elongated and twisted) in the vacuole and double virions in the plasma membrane were observed as early as 65 h after infection.
  • (2) Electron microscopy shows that at neutral pH, CEA particles consist of homogeneous, morphologically distinctive, twisted rod-shaped particles, about 9 X 40 nm.
  • (3) Rapid swelling of the knee following a blow or twisting injury is considered a significant injury.
  • (4) Intermolecular contacts occur in both oligomers in the minor groove: in the B form through twisted guanine-guanine hydrogen bonding, and in the Z form through base-base stacking and the water network.
  • (5) Ings twisted the knee during his first training session with Klopp in charge and tests have shown the former Burnley forward ruptured an anterior cruciate ligament, meaning that a player who has just broken into England’s senior team will be out for a minimum of six months.
  • (6) Leicester looked a little sorry for themselves and, with their concentration down, United twisted the knife.
  • (7) Gowher Rizvi, chief representative of the prime minister, Sheik Hasina, told the Guardian that preparations for the forthcoming elections, were "completely on track" and that the tribunal, probing crimes committed during the 1971 war in which Bangladesh broke away from Pakistan, was about bringing justice previously denied by "the twists and turns" of the country's history.
  • (8) The base orientations are characterized by a substantial inclination and propellor twist.
  • (9) Among the non-standard postures examined were: twisting while lifting or lowering, lifting and lowering from lying, sitting, kneeling, and squatting positions, and carrying loads under conditions of constricted ceiling heights.
  • (10) A vicious feud playing out within Uzbekistan's ruling family took a new twist on Monday , when prosecutors announced that the clan's most flamboyant member faces charges of involvement in mafia-style corruption.
  • (11) The possible arrangements of molecules within the twisted ribbons have been deduced and are found to be fairly closely related.
  • (12) Idiopathic torsion dystonia (ITD) is characterized by sustained, involuntary muscle contractions, frequently causing twisting and repetitive movements or abnormal postures.
  • (13) These results indicate that the polypeptide chain, driven by energetics (nonbonded and electrostatic interactions), is folded into a typical left-handed twisted four-helix bundle with an approximately 4-fold symmetric array, as observed in most four alpha-helix proteins.
  • (14) In the mutants twist and snail, which fail to differentiate the ventrally derived mesoderm, mitoses specific to the mesoderm are absent.
  • (15) Fulham were helped by United being forced into a trio of substitutions at the interval, as Rafael succumbed to a twisted ankle, Cleverly had double vision and Evans had back trouble.
  • (16) Blockage of the balloon system was possibly caused by twisting the system to reach and pass the lesion in the branch of left circumflex coronary artery.
  • (17) In the tradition of the American author Patricia Highsmith, creator of the charming psychopath Tom Ripley, Rendell used twisting plots to expose twisted minds.
  • (18) From previous genetic and biochemical studies it was hypothesized that dorsal might be responsible for the activation of the zygotic gene twist.
  • (19) Finally, the twisted nose was treated by freeing the nasal components, straightening the bone and cartilage, and replacing them in their anatomical positions.
  • (20) It doesn’t do a lot at the moment, but there’s a lot of potential for a modern twist on board games here.

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.