(v. i.) To fly apart or in pieces; of break open; to yield to force or pressure, especially to a sudden and violent exertion of force, or to pressure from within; to explode; as, the boiler had burst; the buds will burst in spring.
(v. i.) To exert force or pressure by which something is made suddenly to give way; to break through obstacles or limitations; hence, to appear suddenly and unexpectedly or unaccountably, or to depart in such manner; -- usually with some qualifying adverb or preposition, as forth, out, away, into, upon, through, etc.
(v. t.) To break or rend by violence, as by an overcharge or by strain or pressure, esp. from within; to force open suddenly; as, to burst a cannon; to burst a blood vessel; to burst open the doors.
(v. t.) To break.
(v. t.) To produce as an effect of bursting; as, to burst a hole through the wall.
(n.) A sudden breaking forth; a violent rending; an explosion; as, a burst of thunder; a burst of applause; a burst of passion; a burst of inspiration.
(n.) Any brief, violent exertion or effort; a spurt; as, a burst of speed.
(n.) A sudden opening, as of landscape; a stretch; an expanse.
(n.) A rupture or hernia; a breach.
Example Sentences:
(1) This modulation results from repetitive, alternating bursts of excitatory and inhibitory postsynaptic potentials, which are caused at least in part by synaptic feedback to the command neurons from identified classes of neurons in the feeding network.
(2) Pokeweed mitogen-stimulated rat spleen cells were identified as a reliable source of rat burst-promoting activity (PBA), which permitted development of a reproducible assay for rat bone marrow erythroid burst-forming units (BFU-E).
(3) PMNs could be primed for PMA-triggered oxidative burst by muramyl peptide molecules (MDP) and two of its adjuvant active nonpyrogenic derivatives.
(4) For each temporal position of the independent noise, discriminability was a function of the ratio of the duration of the independent noise (tau) to the total burst duration.
(5) Peripheral blood monocytes undergo an oxidative burst similar to that seen in neutrophils.
(6) The 20-year-old now holds two world records after he broke the 50m best at the European Championships in Berlin during a 2014 season which saw him burst on to the international stage.
(7) Masking experiments are demonstrated for electrical frequency-modulated tone bursts from 1,000 to 10,000 cps and from 10,000 to 1,000 cps with superimposed clicks.
(8) Isolated outer hair cells from the organ of Corti of the guinea pig have been shown to change length in response to a mechanical stimulus in the form of a tone burst at a fixed frequency of 200 Hz (Canlon et al., 1988).
(9) Moreover, the most recent combined application of the rat interstitial cell testosterone (RICT) bioassay and a novel multiple-parameter deonvolution model has allowed investigators to dissect plasma concentration profiles of bioactive LH into defined secretory bursts, which have numerically explicit amplitudes, locations in time, and durations, and are acted upon by determinable subject- and study-specific endogenous metabolic clearance rates.
(10) By this action, oxytocin is believed to increase the probability of successful regenerative spikes and thereby initiate electrical activity in quiescent preparations, increase the frequency of burst discharges, the number of spikes in each burst, and the amplitude of spikes in individual cells.
(11) When we gave her a gift of a few books in English, she burst out crying.
(12) Our hypothesis is that phase unlocking may be one of the induction mechanisms of spike-burst activity.
(13) As the frequency of the stimulus bursts was progressively changed, the sinoatrial (SA) nodal pacemaker cells became synchronized with the repetitive bursts of stimuli over a certain range of burst frequencies.
(14) Respiratory burst activity was evaluated in monolayers of rat inflammatory peritoneal macrophages by measuring: (1) luminol-dependent chemiluminescence and (2) the production of 14CO2 from the oxidation of [1-14C] glucose.
(15) After more than 10 weeks, CD34+, CD33- cells gradually recovered, as erythroid burst colony-forming cells increased following GM colony-forming cells.
(16) It is suggested that during increased levels of extracellular adenosine the response of LGND relay neurones to activating brainstem influences will be depressed, and a pattern of Ca(2+)-mediated burst firing will be favoured.
(17) Polygraphic and videotape recordings, carried out for several nights, showed that after nearly each REM period, he would wake up briefly, presenting eye blinking followed by a burst of generalized hypersynchronous theta to start his seizures.
(18) To test this hypothesis 30 Wistar rats were subjected to laparotomy and colonic resection and treated with 5-Fluorouracil or Mitomycin C. The bursting strength of the abdominal scars and the colonic anastomotic bursting pressure revealed some interference in the rats treated with 5-Fluorouracil (Student's t test P less than 0.05) but none in the case of Mitomycin C. This preliminary study deserves to be followed up.
(19) For now however, what’s left of their fan base are enjoying a rare burst of sunshine.
(20) Similar responses were obtained with gated noise bursts and by pauses in a series of clicks.
Pressure
Definition:
(n.) The act of pressing, or the condition of being pressed; compression; a squeezing; a crushing; as, a pressure of the hand.
(n.) A contrasting force or impulse of any kind; as, the pressure of poverty; the pressure of taxes; the pressure of motives on the mind; the pressure of civilization.
(n.) Affliction; distress; grievance.
(n.) Urgency; as, the pressure of business.
(n.) Impression; stamp; character impressed.
(n.) The action of a force against some obstacle or opposing force; a force in the nature of a thrust, distributed over a surface, often estimated with reference to the upon a unit's area.
Example Sentences:
(1) Circuit weight training does not exacerbate resting or exercise blood pressure and may have beneficial effects.
(2) There was a weak relation between AER and both systolic and diastolic blood pressures.
(3) 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.
(4) Steady-state values of cell, glucose, and cellulase concentration oxygen tension, and outlet gas oxygen partial pressure were recorded.
(5) We conclude that chronic emphysema produced in dogs by aerosol administration of papain results in elevated pulmonary artery pressure, which is characterized pathologically by medial hypertrophy of small pulmonary arteries.
(6) It is concluded that acute renal denervation augments the pressure diuresis that follows carotid occlusion.
(7) Both lymph flow from cannulated pancreatico-duodenal lymphatics and intralymphatic pressure in the non-transected ones increased significantly.
(8) Calcium alginate dressings have been used in the treatment of pressure ulcers and leg ulcers.
(9) administration of the potent short-acting opioid, fentanyl, elicited inhibition of rhythmic spontaneous reflex increases in vesical pressure (VP) evoked by urinary bladder distension.
(10) On removal of selective pressure, the His+ phenotype was lost more readily than the Ura+ Trp+ markers, with a corresponding decrease in plasmid copy number.
(11) The intrauterine mean active pressure (MAP) in the nulliparous group was 1.51 kPa (SD 0.45) in the first stage and 2.71 kPa (SD 0.77) in the second stage.
(12) The main finding of this study is that diabetic adolescents with a high erythrocyte Na,Li countertransport rate have an arterial pressure significantly higher than patients with normal Na,Li countertransport fluxes.
(13) In patients with coronary artery disease, electrocardiographic signs of left atrial enlargement (LAE-negative P wave deflection greater than or equal to 1 mm2 in lead V1) are associated with increased left ventricular end diastolic pressure (LVEDP).
(14) These findings suggest that clonidine transdermal disks lower blood pressure in hypertensive patients, but produce local skin lesions and general side effects.
(15) Diltiazem monotherapy effectively lowered blood pressure in 60% of patients at 8 weeks.
(16) Completeness of isolation of the coronary and systemic circulations was shown by the marked difference in appearance times between the reflex hypotensive responses from catecholamine injections into the isolated coronary circulation and the direct hypertensive response from a similar injection when the circulations were connected as well as by the marked difference between the pressure pulses recorded simultaneously on both sides of the aortic balloon separating the two circulations.4.
(17) At the same time the duodenum can be isolated from the stomach and maintained under constant stimulus by a continual infusion at regulated pressure, volume and temperature into the distal cannula.
(18) The 40 degrees C heating induced an increase in systolic, diastolic, average and pulse pressure at rectal temperature raised to 40 degrees C. Further growth of the body temperature was accompanied by a decrease in the above parameters.
(19) Nicardipine lowered systolic and diastolic blood pressure to normal, plasma aldosterone was reduced and serum potassium levels were increased.
(20) Subjects then rested supine until 10.00 h when blood was again taken, and blood pressure recorded.