What's the difference between relaxation and rigor?

Relaxation


Definition:

  • (n.) The act or process of relaxing, or the state of being relaxed; as, relaxation of the muscles; relaxation of a law.
  • (n.) Remission from attention and effort; indulgence in recreation, diversion, or amusement.

Example Sentences:

  • (1) The vascular endothelium is capable of regulating tissue perfusion by the release of endothelium-derived relaxing factor to modulate vasomotor tone of the resistance vasculature.
  • (2) Arteries treated with atrial natriuretic peptide showed no alterations in relaxation or cGMP content after incubation with pertussis toxin.
  • (3) For dental procedures requiring tracheal intubation, one could perhaps use non-depolarizing muscle relaxants, like pancuronium, with reversal at the end of the procedure.
  • (4) In in vitro preparations GABA (10(-7) - 10(-3) M) elicited a dose-dependent relaxation; a decrease in the spontaneous contractions was sometimes observed.
  • (5) Anaesthesia was achieved by a mixture of oxygen, nitrous oxide and fluothane without use of muscle relaxants.
  • (6) A more accurate fit of T1 data using a modified Lipari and Szabo approach indicates that internal fast motions dominate the T1 relaxation in glycogen.
  • (7) Endothelium-dependent relaxations to acetylcholine and endothelium-independent relaxations to nitric oxide were observed in rings from both strains during contraction with endothelin.
  • (8) Relaxation situations are marked by relaxation, usually after a meal.
  • (9) The rabbits were either breathing spontaneously or were ventilated by a phrenic nerve-controlled servorespirator without the use of muscle relaxants.
  • (10) For each RG patient, two sex, age, and initial diastolic blood pressure (DBP) matched controls were found, obtaining thus a control group (CG) consisting of 70 hypertensive patients who were not participating in any relaxation program.
  • (11) Under the condition in which ryanodine (10-100 microM) treatment was found to cause the SR to be nonfunctional, pinacidil relaxation DRC remained unaltered, suggesting a lack of a stimulatory effect of pinacidil on SR Ca++ accumulation.
  • (12) which suggest that ~60-90% of the cross-bridges attached in rigor are attached in relaxed fibers at an ionic strength of 20 mM and ~2-10% of this number of cross-bridges are attached in a relaxed fiber at an ionic strength of 170 mM.
  • (13) Trimazosin at the dose used and under the conditions of study did not reverse the peripheral pressor effect of angiotensin II or B-HT920 but at higher concentrations, unlike prazosin, it relaxed the K+ contracted thoracic aorta.
  • (14) The relaxations in response to a nonreceptor-mediated endothelium-dependent vasodilator, A23187, and an endothelium-independent vasodilator, sodium nitroprusside, were not different between normal and diabetic aortas.
  • (15) Nitric oxide (NO) is a major component of endothelium-derived relaxing factor (EDRF) the synthesis of which from L-arginine can be inhibited by NG-monomethyl-L-arginine (L-NMMA).
  • (16) Binding to HSA occurs primarily with the imidazolidine and thiazolidine groups of levamisole as it has been demonstrated by selective changes in the relaxation times and the chemical shifts of the protons attached to the carbon atoms.
  • (17) We conclude that gastric adaptive relaxation remains abnormal in patients with postvagotomy diarrhoea but not in those who are asymptomatic or who have other symptoms.
  • (18) Nitric oxide (NO) induced tetrodotoxin-resistant NANC relaxation, similar to that induced by electrical stimulation or acetylcholine (ACh).
  • (19) Treatment of bacterial cells with inhibitors of gyrase at high concentration leads to relaxation of DNA supercoils, presumably through interference with the supercoiling activity of gyrase.
  • (20) The kinetics of extracellular neutral proteinase synthesis by an isogenic stringent (IS58) and a relaxed (IS56) strain of B. subtilis were compared.

Rigor


Definition:

  • (n.) Rigidity; stiffness.
  • (n.) A sense of chilliness, with contraction of the skin; a convulsive shuddering or tremor, as in the chill preceding a fever.
  • (n.) The becoming stiff or rigid; the state of being rigid; rigidity; stiffness; hardness.
  • (n.) See 1st Rigor, 2.
  • (n.) Severity of climate or season; inclemency; as, the rigor of the storm; the rigors of winter.
  • (n.) Stiffness of opinion or temper; rugged sternness; hardness; relentless severity; hard-heartedness; cruelty.
  • (n.) Exactness without allowance, deviation, or indulgence; strictness; as, the rigor of criticism; to execute a law with rigor; to enforce moral duties with rigor; -- opposed to lenity.
  • (n.) Severity of life; austerity; voluntary submission to pain, abstinence, or mortification.
  • (n.) Violence; force; fury.

Example Sentences:

  • (1) He added: "There is a rigorous review process of applications submitted by the executive branch, spearheaded initially by five judicial branch lawyers who are national security experts and then by the judges, to ensure that the court's authorizations comport with what the applicable statutes authorize."
  • (2) Upon depletion of ATP in contraction, the P2 intensity reverted to the original rigor level, accompanied by development of rigor tension.
  • (3) which suggest that ~60-90% of the cross-bridges attached in rigor are attached in relaxed fibers at an ionic strength of 20 mM and ~2-10% of this number of cross-bridges are attached in a relaxed fiber at an ionic strength of 170 mM.
  • (4) The symptoms were successfully controlled by rigorous dietary measures.
  • (5) Rigorously designed clinical trials have demonstrated the efficacy and safety of fluoxetine in adults with major depressive disorder and obsessive-compulsive disorder (OCD) but not in patients below 18 years old.
  • (6) Unambiguous mapping and rigorous determination of the nature of the initiation triplet for IF2 beta, the smaller form of IF2, is critical for future mutagenesis of this codon, required for investigating the biological importance of both IF2 alpha and IF2 beta.
  • (7) The identification of the cDNA for an A2b-adenosine receptor will allow more rigorous characterization of its anatomical distribution and functional properties.
  • (8) Meanwhile, we need to show that the recent changes to how we work with the BBC Executive are allowing us to be more focused, more rigorous and more transparent in the work that we do, so that licence fee payers can get a better BBC.
  • (9) A village will be subject to rigorous evaluations in order to demonstrate sustainability and scalability, and that aid developed with an exit strategy can actually work.
  • (10) We therefore conclude that in postrigor muscles, paratropomyosin is released from the A-I junction region following the increase in the sarcoplasmic calcium ion concentration to 10(-4) M, and then binds to thin filaments, which results in weakening of rigor linkages formed between actin and myosin.
  • (11) New observations include: (1) In 15 nm cross sections that show single 14.5 nm levels: (a) The flared X structure characteristic of rigor is replaced by a straight-X figure in which the crossbridge density is aligned along the myosin-actin plane, rather than skewed across it as in rigor.
  • (12) Ferguson’s influence at Old Trafford has clearly waned since the Moyes appointment but, notably, there is no admission on his part that he chose the wrong man, insisting that the club followed a rigorous and methodical selection process.
  • (13) After a three-month period of rigorous training, two PAs were assigned to the ICU.
  • (14) Over the last few days a former member of parliament's intelligence and security committee, Lord King, a former director of GCHQ, Sir David Omand, and a former director general of MI5, Dame Stella Rimington, have questioned whether the agencies need to be more transparent and accept more rigorous scrutiny of their work.
  • (15) Even when carried out rigorously, culling does very little to help.
  • (16) Because the rigor of the present day "scientific method" demands clearcut and reproducible results and investigations require predictable performance of the parasite in an evenly maintained host that is in a highly constrained environment, we should not wonder why we cannot produce the events of nature.
  • (17) The best definition of osteoarthritis is anatomical, but to be rigorous must include the biochemical characteristics of osteoarthritis cartilage.
  • (18) "We remain committed to sourcing merchandise that is produced responsibly by suppliers that adhere to Walmart's rigorous Standards for Suppliers code of conduct."
  • (19) Edelman has a rigorous in-house carbon accounting system.
  • (20) Material, obtained by a rigorous three-stage sampling procedure from five normal rat livers, is systematically subjected to this analysis at four levels of magnification.