What's the difference between contraction and extension?

Contraction


Definition:

  • (n.) The act or process of contracting, shortening, or shrinking; the state of being contracted; as, contraction of the heart, of the pupil of the eye, or of a tendion; the contraction produced by cold.
  • (n.) The process of shortening an operation.
  • (n.) The act of incurring or becoming subject to, as liabilities, obligation, debts, etc.; the process of becoming subject to; as, the contraction of a disease.
  • (n.) Something contracted or abbreviated, as a word or phrase; -- as, plenipo for plenipotentiary; crim. con. for criminal conversation, etc.
  • (n.) The shortening of a word, or of two words, by the omission of a letter or letters, or by reducing two or more vowels or syllables to one; as, ne'er for never; can't for can not; don't for do not; it's for it is.
  • (n.) A marriage contract.

Example Sentences:

  • (1) During the performance of propulsive waves of the oesophagus the implanted vagus nerve caused clonic to tetanic contractions of the sternohyoid muscle, thus proving the oesophagomotor genesis of the reinnervating nerve fibres.
  • (2) But RWE admitted it had often only been able to retain customers with expired contracts by offering them new deals with more favourable conditions.
  • (3) Thus adrenaline, via pre- and post-junctional adrenoceptors, may contribute to enhanced vascular smooth muscle contraction, which most likely is sensitized by the elevated intracellular calcium concentration.
  • (4) Further, the maximal increase in force of contraction was measured using papillary muscle strips from some of these patients.
  • (5) When subjects centered themselves actively, or additionally, contracted trunk flexor or extensor muscles to predetermined levels of activity, no increase in trunk positioning accuracy was found.
  • (6) Twitch-tetanus ratios were calculated and found not to be related to unit contraction time.6.
  • (7) Selective removal of endothelium had no effect on BK-induced contraction or the action of the antagonists.
  • (8) The increased muscular strength in due to a rise of calcaemia, improved muscle contraction and probably also due to the mentioned nutritional factors.
  • (9) However, there was not a relationship between the contraction curve of the gallbladder and the bile flow into the duodenum.
  • (10) In in vitro preparations GABA (10(-7) - 10(-3) M) elicited a dose-dependent relaxation; a decrease in the spontaneous contractions was sometimes observed.
  • (11) There was no correlation between disturbed gastric clearance, impaired gall bladder contraction, and prolonged colonic transit time in the patients with cardiovascular autonomic neuropathy nor was there a correlation between any disturbed motor function and age or duration of diabetes.
  • (12) Noradrenaline decreased the phasic contraction amplitude of the circular muscle and exerted a stimulant effect on the tone which suggested an existence of two alpha 1-adrenoceptor subtypes.
  • (13) It may, however, be useful to compare local wall dynamics in the more isometrically-contracting basal segment with those in the middle portion which brings about most of the emptying of the ventricle.
  • (14) Upon depletion of ATP in contraction, the P2 intensity reverted to the original rigor level, accompanied by development of rigor tension.
  • (15) L-NAME abolished B contractions in a dose-dependent fashion.
  • (16) The power spectrum of the EMG was analyzed during isometric contractions of the shoulder muscles.
  • (17) A23187 had only a transient effect on KCl-contracted coronary arteries.
  • (18) When caffeine evokes a contraction, and only then, crayfish muscle fibers become refractory to a second challenge with caffeine for up to 20 min in the standard saline (5 mM K(o)).
  • (19) Dopamine at concentrations over 10(-5)M induced contractions of tracheal muscle strips and repeated exposures resulted in desensitization (tachyphylaxis) of the muscle.
  • (20) In the present study we examined cholecystokinin release and gallbladder contraction after oral administration of a commercial fatty meal (Sorbitract; Dagra, Diemen, The Netherlands) using ultrasonography in eight normal subjects and eight gallstone patients before and after 1 and 4 weeks of treatment with ursodeoxycholic acid (10 mg kg-1.day-1).

Extension


Definition:

  • (v. t.) The act of extending or the state of being extended; a stretching out; enlargement in breadth or continuation of length; increase; augmentation; expansion.
  • (v. t.) That property of a body by which it occupies a portion of space.
  • (v. t.) Capacity of a concept or general term to include a greater or smaller number of objects; -- correlative of intension.
  • (v. t.) The operation of stretching a broken bone so as to bring the fragments into the same straight line.
  • (v. t.) The straightening of a limb, in distinction from flexion.
  • (v. t.) A written engagement on the part of a creditor, allowing a debtor further time to pay a debt.

Example Sentences:

  • (1) If ascorbic acid was omitted from the culture medium, the extensive new connective tissue matrix was not produced.
  • (2) Squadron Leader Kevin Harris, commander of the Merlins at Camp Bastion, the main British base in Helmand, praised the crews, adding: "The Merlins will undergo an extensive programme of maintenance and cleaning before being packed up, ensuring they return to the UK in good order."
  • (3) Extensive studies during recent years have shown that the interaction between hormone and membrane-bound receptor can affect the receptor characteristics in at least two ways.
  • (4) During capillary growth when endothelial cells (EC) undergo extensive proliferation and migration and pericytes are scarce, hyaluronic acid (HA) levels are elevated.
  • (5) This method, which permits a more rapid formation of anastomoses, has been used to form Roux-en-Y jejunojejunostomies without extensive complications in six patients.
  • (6) The curve of mitoses peaked at the same time as that of TK activity but was only 68% as extensive.
  • (7) Our results show that large complex lipid bodies and extensive accumulations of glycogen are valuable indicators of a functionally suppressed chief cell in atrophic parathyroid glands.
  • (8) I hope I can play a major part in really highlighting the need for far more extensive family violence training within all organisations that deal with women and children, including the police and the department of human services,” Batty said.
  • (9) Mitoses of nuclei of myocytes of the left ventricle of the heart observed in two elderly people who had died of extensive relapsing infarction are described.
  • (10) When labelled long-chain fatty acids or glycerol were infused into the lactating goat, there was extensive transfer of radioactivity into milk in spite of the absence of net uptake of substrate by the mammary gland.
  • (11) Pint from £2.90 The Duke Of York With its smart greige interior, flagstone floor and extensive food menu (not tried), this newcomer feels like a gastropub.
  • (12) Extensive proliferation has been shown to accompany the de novo generation of LAK cytotoxicity.
  • (13) Extensive sequence homologies and other genetic features are shared with the related oncogenic virus, human papillomavirus type 16, especially in the major reading frames.
  • (14) Binding of I to plasma proteins was extensive but was less than that of 5-chlorosalicylic acid.
  • (15) It is a specific clinical picture with extensive soft tissue gas and swelling of the forearm.
  • (16) Comparisons of ICR locations were made between flexion and extension, between left and right limbs, and between living and dead dogs, using analysis of variance.
  • (17) Furthermore, the local interneurons make extensive efferent synaptic connections with unidentified neurons in the terminal medulla.
  • (18) Light microscopy of both apneics and snorers revealed mucous gland hypertrophy with ductal dilation and focal squamous metaplasia, disruption of muscle bundles by infiltrating mucous glands, focal atrophy of muscle fibers, and extensive edema of the lamina propria with vascular dilation.
  • (19) The mechanical forces involved in neurite extension have begun to be quantified, and interactions between the actin and microtubule systems are being further characterized.
  • (20) Concurrent with this change in the level of enforcement of RBT was an extensive publicity campaign, which warned drinking drivers of their increased risk of detection by RBT units.