(n.) The act or result of breaking down, as of a carriage; downfall.
(n.) A noisy, rapid, shuffling dance engaged in competitively by a number of persons or pairs in succession, as among the colored people of the Southern United States, and so called, perhaps, because the exercise is continued until most of those who take part in it break down.
(n.) Any rude, noisy dance performed by shuffling the feet, usually by one person at a time.
Example Sentences:
(1) Because the mitogenic action of IL 2 resembles that of some growth factors, the possible role of phosphatidylinositol breakdown in the activation of T cells by IL 2 was examined.
(2) It is also becoming apparent that effects of insulin and other acute regulatory agents on muscle breakdown are limited to nonmyofibrillar components.
(3) The coronary vasodilator adenosine can be formed in the heart by breakdown of AMP or S-adenosylhomocysteine (SAdoHcy).
(4) Post-operative levels of C3 breakdown products were significantly higher in atheromatic patients than in controls, most likely due to the insertion of dacron arterial prostheses in the first group.
(5) F(ab')2 anti-Ig stimulates the rapid breakdown of inositol phospholipids in B cells, resulting in the prolonged release of inositol (poly)phosphates and diacylglycerol.
(6) The kinetics of the luminescent signal with the different luciferin esters varied significantly, indicating possible differences in the rates of uptake, breakdown and enzyme inhibition.
(7) The muscle-protein breakdown is sustained and the released amino acids are taken up by the liver and other RE structures where they are used as substrates for energy and for synthesis of defense-related proteins.
(8) At follow-up, the initial presence of signs of repression was significantly more common in such initially nonregressive patients as had escaped a later psychotic breakdown.
(9) Third, an indirect activation of protein kinase C may occur via an increase in the rate of phosphoinositide breakdown.
(10) The response is dose dependent for LPA concentrations from 10(-8) to 10(-3) M. Incubation of oocytes in LPA does not induce germinal vesicle breakdown.
(11) The breakdown of systemic fibrinogen may be important because of the anticoagulant effect this can produce.
(12) The breakdown of homocysteine, via the transsulphuration pathway, was augmented by Zn deficiency.
(13) Parallel sections were analyzed for possible parenchymal changes associated with the BBB breakdown.
(14) The breakdown of answers to both questions revealed a significant partisan divide depending on people’s voting intention, with Labor supporters much more likely than Coalition backers to see the commission as a political attack and Heydon as conflicted.
(15) The commonest finding is a slight to moderate breakdown of BCB function without evidence of intrathecal immunoglobulin synthesis.
(16) HOE was the most active compound, being able to accelerate PIP2 breakdown at concentrations between 10(-12) and 10(-6) M, while in the case of HEE the effective doses ranged from 10(-11) to 10(-7) M and from 10(-9) to 10(-6) M in the case of HNE.
(17) The critical membrane potential difference for breakdown is therefore pulse-length independent.
(18) Della Roe, Dhu’s mother, said the loss of her daughter had triggered an emotional breakdown.
(19) With ribosomes the pH optimum of proteolytic breakdown is at about 7.
(20) The findings link terminal breakdown of the blood-brain barrier and extensive viral antigen expression in CSF leukocytes with experimental CDV infection resulting in death.
Mechanical
Definition:
(a.) Pertaining to, governed by, or in accordance with, mechanics, or the laws of motion; pertaining to the quantitative relations of force and matter, as distinguished from mental, vital, chemical, etc.; as, mechanical principles; a mechanical theory; mechanical deposits.
(a.) Of or pertaining to a machine or to machinery or tools; made or formed by a machine or with tools; as, mechanical precision; mechanical products.
(a.) Done as if by a machine; uninfluenced by will or emotion; proceeding automatically, or by habit, without special intention or reflection; as, mechanical singing; mechanical verses; mechanical service.
(a.) Made and operated by interaction of forces without a directing intelligence; as, a mechanical universe.
(a.) Obtained by trial, by measurements, etc.; approximate; empirical. See the 2d Note under Geometric.
(n.) A mechanic.
Example Sentences:
(1) Such a signal must be due to a small ferromagnetic crystal formed when the nerve is subjected to pressure, such as that due to mechanical injury.
(2) These data suggest that the hybrid is formed by the same mechanism in the absence and presence of the urea step.
(3) Some common eye movement deficits, and concepts such as 'the neural integrator' and the 'velocity storage mechanism', for which anatomical substrates are still sought, are introduced.
(4) We have investigated the effect of methimazole (MMI) on cell-mediated immunity and ascertained the mechanisms of immunosuppression produced by the drug.
(5) One hour after direct mechanical cardiomassage (DMCM) a moderately pronounced edema of the intercellular spaces in the basal compartment of the seminiferous epithelium, normal content of lactate and succinate dehydrogenases, and a certain decrease in the activity of glucose-6-phosphate dehydrogenases and NAD- and NADP-diaphorases were noted.
(6) It is concluded that amlodipine reduces myocardial ischemic injury by mechanism(s) that may involve a reduction in myocardial oxygen demand as well as by positively influencing transmembrane Ca2+ fluxes during ischemia and reperfusion.
(7) Models able to describe the events of cellular growth and division and the dynamics of cell populations are useful for the understanding of functional control mechanisms and for the theoretical support for automated analysis of flow cytometric data and of cell volume distributions.
(8) The following is a brief review of the history, mechanism of action, and potential adverse effects of neuromuscular blockers.
(9) However, the mechanism of the inhibitory action is still somewhat uncertain.
(10) It also provides mechanical support for the collateral ligaments during valgus or varus stress of the knee.
(11) We studied the hemodynamic changes caused by bronchoscopy under LA in mechanically ventilated patients and the effect of LA on the endoscopic decline in arterial pO2.
(12) Together these observations suggest that cytotactin is an endogenous cell surface modulatory protein and provide a possible mechanism whereby cytotactin may contribute to pattern formation during development, regeneration, tumorigenesis, and wound healing.
(13) Dilutional studies comparing the mechanism of inhibition of monoamine oxidase produced by Gerovital H3 and by ipronizid demonstrated that Gerovital H3 was a reversible inhibitor of monoamine oxidase.
(14) To investigate the mechanism of enhanced responsiveness of cholesterol-enriched human platelets, we compared stimulation by surface-membrane-receptor (thrombin) and post-receptor (AlF4-) G-protein-directed pathways.
(15) Based on our results, we propose the following hypotheses for the neurochemical mechanisms of motion sickness: (1) the histaminergic neuron system is involved in the signs and symptoms of motion sickness, including vomiting; (2) the acetylcholinergic neuron system is involved in the processes of habituation to motion sickness, including neural store mechanisms; and (3) the catecholaminergic neuron system in the brain stem is not related to the development of motion sickness.
(16) Thus, mechanical restitution of the ventricle is a dynamic process that can be assessed using an elastance-based approach in the in situ heart.
(17) The mechanism by which pertussis toxin (PT) breaks the unresponsiveness of delayed-type hypersensitivity (DTH) to sheep red blood cells (SRBC) was examined in B10 mice.
(18) This suggests that a physiological mechanism exists which can increase the barrier pressure to gastrooesophageal reflux during periods of active secretion of the stomach, as occurs in digestion.
(19) The macrophage-derived product, interleukin 1 (IL 1) is thought to play an important regulatory role in the proliferation of T lymphocytes; however, its mechanism of action is unknown.
(20) Adding a layer of private pensions, it was thought, does not involve Government mechanisms and keeps the money in the private sector.