(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.
Perforation
Definition:
(n.) The act of perforating, or of boring or piercing through.
(n.) A hole made by boring or piercing; an aperture.
Example Sentences:
(1) report the complications registered, in particular: lead's displacing 6.2%, run away 0.7%, marked hyperthermya 0.0%, haemorrage 0.4%, wound dehiscence 0.3%, asectic necrosis by decubitus 5%, septic necrosis 0.3%, perforation of the heart 0.2%, pulmonary embolism 0.1%.
(2) Pitlike surface structures seen in negatively stained whole cells and thin sections were correlated with periodically spaced perforations of the rigid sacculus.
(3) Compliance during dehydration was 7.6 and 12.5% change in IFV per millimeter Hg fall in IFP (micropipettes) in skin and muscle, respectively, whereas compliance in subcutis based on perforated capsule pressure was 2.0% change in IFV per millimeter Hg.
(4) The perforant pathway and fimbria fornix were transected to label afferent fibers to NPY-positive cells.
(5) As to complications they recorded in one case mucosal bleeding after gastrofiberoptic polypectomy and in one case a covered perforation of the sigmoid at the site of colonoscopic polypectomy.
(6) By way of major complications, merely one perforation occurred.
(7) Autopsy data of all patients who received EVS and who died (32 patients, 100%) during this period were available to confirm the diagnosis of perforation.
(8) The results of a prospective inquiry into the aspirin taking habits of a consecutive series of 118 patients admitted to a large general hospital with acute perforation of peptic ulcer are presented.
(9) No perforations, stenoses or thermic lesions after wound healing were observed.
(10) Other serious complications were reservoir perforation during catheterisation in 3 and development of stones in the reservoir in 2 patients.
(11) Major reported complications include hemorrhage, perforation, biliary and pancreatic obstruction, and inflammation with intestinal obstruction.
(12) A retrospective study was conducted into 136 patients who had received surgical treatment for perforated gastroduodenal ulcers, with the view to establishing postoperative lethality and morbidity (comparing simple suturing with definitive ulcer surgery).
(13) Three cases of gastroduodenal perforation and one case of ulceration and extreme thinning of the gastric wall occurred in preterm babies treated with dexamethasone for bronchopulmonary dysplasia.
(14) The energy required for perforation from the external surface to the anterior chamber was the same as the energy required for ab interno perforation.
(15) Cholecystokinin (CCK) as the sulfated (CCK-8S) and unsulfated (CCK-8U) octapeptide sequences, and CR 1409 were administered intraventricularly while the action potential (EAP) in the granular cell layer of the hippocampal dentate gyrus evoked by perforant path stimulation was recorded.
(16) At first the prognosis of perforating keratoplasty improved because of better surgical techniques, so that the number of indications increased.
(17) a) To determine the frequency of perforations in latex surgical gloves before, during, and after surgical and dental procedures; b) to evaluate the topographical distribution of perforations in latex surgical gloves after surgical and dental procedures; and c) to validate methods of testing for latex surgical glove patency.
(18) Perforations of the left atrial or ventricular wall and extravasations of contrast medium during transseptal left heart catheterisation or angiocardiography can be eliminated by replacing the normally used transseptal catheters by Pigtail-catheters.
(19) In the cis-trans axis of the Golgi apparatus the following compartments were observed: (a) On the cis face there was a continuous osmiophilic tubular network referred to as the cis element; (b) a cis compartment composed of 3 or 4 NADPase-positive saccules perforated with pores in register forming wells that contained small vesicles; (c) a trans compartment composed of 1 or 2 TPPAse-positive elements underlying the NADPase ones, followed by 1 or 2 CMPase-positive elements that showed a flattened saccular part continuous with a network of anastomotic tubules.
(20) Dairy pipeline cleaners were the single most common causative substance, injuring ten toddlers (mean age 1.6 years), perforating the esophagus in two.