(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).
Oxytocic
Definition:
(a.) Promoting uterine contractions, or parturition.
(n.) An oxytocic medicine or agent.
Example Sentences:
(1) Classical treatment combining artificial delivery or uterine manual evacuation-oxytocics led to the arrest of bleeding in 73 cases.
(2) They are also potent antagonists of the in vitro oxytocic responses to oxytocin, both in the absence and in the presence of Mg2+.
(3) A review of the literature was conducted to survey obstetric practice with regard to amniotomy, intravenous fluids, third stage administration of oxytocics, episiotomy and continuous fetal monitoring.
(4) It can be useful, in fact, during the three periods of a pregnancy: before delivery: it can effect all the functional and psychiatric problems a pregnant woman may develop; during delivery: there is a definite analgesic and oxytocic effect; after delivery: it can be beneficial in all difficulties with breast feeding.
(5) Should these peptides exhibit enhanced oxytocic selectivity in humans, they might offer a greater margin of safety than oxytocin in those clinical stiuations in which the latter is currently employed.
(6) The retro-analogs of deaminotocinamide, tested at concentrations up to 10)-5)M, were found to be without activity as agonists or antagonists in the oxytocic assay.
(7) Bioassay of the pressor and oxytocic activities of the protein-hormone complexes shows that neurophysin-C binds one molecule of either vasopressin or oxytocin.
(8) As part of a program in which we are attempting the design and synthesis of an antagonist of the antidiuretic response to arginine-vasopressin (AVP) [1-(beta-mercapto-beta,beta-cyclopentamethylenepropionic acid),4-valine,8-D-arginine]vasopressin [d(CH2)5VDAVP] was synthesized and assayed for antidiuretic, vasopressor, and oxytocic activities.
(9) While rupture of the uterus by oxytocic agents in the second trimester has previously been documented, this case is unusual in that fetal parts were palpable through the cervical os, delaying diagnosis and definitive management.
(10) It was found that oxytocic activity of this material was completely destroyed by thioglycollate buy not by trypsin, when tested on the contractility of the isolated hen's uterus.
(11) On the 5th day after ovariectomy or implantation of stilboestrol the oxytocic activity was found to be significantly increased in the plasma and posterior pituitary lobe, and after progesterone implantation it was decreased in the posterior pituitary lobe.
(12) The recent availability of kinin receptor antagonists led us to study whether they might affect the oxytocic activity of kallikrein.
(13) Whether this class of hormones has pressor or oxytocic activity is determined by the orientation of the Tyr2 side chain, that is, whether it is extended away from or over the ring system, respectively.
(14) To characterize the receptors mediating these responses, the effects of AVP, oxytocin, and synthetic neurohypophyseal analogues with specific antidiuretic, vasoconstrictor, or oxytocic activities were studied in conscious dogs.
(15) They had lower frequencies of ultrasound examination, induced labour, epidural analgesia, episiotomy, forceps delivery and caesarean section, and a low frequency of use of oxytocics for the third stage.
(16) In total 90% of the women received drugs, excluding laxatives, oxytocics and long-term medication, vitamins and iron.
(17) Storage in solution at pH 9.5 generated oxytocic activity in an initially basic preparation of ovine growth hormone.
(18) However, pancreatic protease extract produced a significant loss of the anti-oxytocic action on the isolated rat uterus preparation.
(19) Both oxytocic immunoreaction in our own specific radioimmunoassay and bioaction on rat uterine contraction were observed in the larger (MW greater than or equal to 5,000) and the smaller molecular part (MW not equal to 1,000) in partially purified placental extracts by gel-filtration using Sephadex G-25.
(20) The analog was found to be a potent inhibitor of the oxytocic and avian vasodepressor effects of oxytocin (pA2 values of 7.43 and 8.30, respectively) but was only a weak inhibitor of the rat pressor effect of 8-lysine-vasopressin.