(n.) A small fiber; the branch of a fiber; a very slender thread; a fibrilla.
Example Sentences:
(1) Electrophysiologic studies are indicated in patients with sustained paroxysmal ventricular tachycardia, ventricular fibrillation or aborted sudden death.
(2) During electrophysiologic study, the effect of propafenone on the effective refractory period of the accessory pathway was determined, as well as its effect during orthodromic atrioventricular (AV) reentrant tachycardia and atrial fibrillation.
(3) The patients were classified into two groups according to the presence (n = 166) or absence (n = 176) of documented episodes of atrial fibrillation preoperatively.
(4) The majority of the hearts went spontaneously into ventricular fibrillation at some stage of the operation.
(5) The interobserver variability of these indices is low (r greater than 0.96); reproducibility is good in patients with sinus rhythm but mediocre in atrial fibrillation.
(6) This study demonstrates that 1) complete AV block is not a contraindication to the Fontan operation, 2) some patients may not require AV synchrony postoperatively for survival, and 3) postoperative atrial flutter or fibrillation may cease or be easier to control after the Fontan operation.
(7) Prolonged beta-adrenergic stimulation obtained by subcutaneous injection of isoproterenol in unanesthetized, unrestrained rats elicited ventricular fibrillation in approximately 80% of animals at 10-12 months of age.
(8) In almost 80% of sudden cardiac deaths in ACMP foci of acute myocardial ischemia are found, that can lead to ventricular fibrillation with lethal outcome.
(9) Electrophysiological and muscle histochemical studies of denervated muscle were performed simultaneously in order to determine the relationship between fibrillation potentials and muscle fiber type.
(10) The results demonstrate that the addition of pulsatile flow to coronary perfusion minimized the deleterious effects of prolonged ventricular fibrillation on myocardial performance.
(11) Ventricular defibrillation was acheived in active conscious dogs with a chronically implanted automatic system composed of a defibrillator and an alternating current fibrillator.
(12) Thus, magnesium may be useful in the management of ventricular fibrillation during ischemia.
(13) Furthermore, patients with alcohol-related atrial fibrillation were significantly more likely to manifest alcohol withdrawal syndrome than were other inpatients with heavy alcohol use.
(14) Complications included perioperative death (3 patients), post-operative ventricular tachycardia (12 patients) and atrial fibrillation (8 patients), perioperative myocardial infarction (1 patient) and device discharges for sinus tachycardia and supraventricular arrhythmias (17 patients).
(15) White lines 2 and 5 tended to merge with lines 1 and 4, respectively, in collagen fibrils formed from a solution containing a significant amount of type I collagen or pure type I collagen.
(16) The failure of both drugs to protect against ischemic ventricular fibrillation in a model in which beta adrenoceptor antagonism has previously proved beneficial may be due in part to related cardiostimulant properties shared by celiprolol and pindolol.
(17) Ventricular fibrillation was then induced and, after predetermined downtimes ranging from 5 to 60 minutes, thoracotomy was performed, and open-chest bimanual cardiac massage was started.
(18) At implant, bipolar endocardial electrograms were recorded before each shock application, during ventricular fibrillation, during redetection of ventricular fibrillation in case the applied shock was ineffective, and at intervals of 5, 10, 20, 30, 60, and 120 seconds after each shock delivery.
(19) Atrial fibrillation thresholds were determined at baseline (0.0% inhalational anesthetic), 0.5 minimal alveolar concentration (MAC), and 1.0 MAC of halothane (n = 8) and isoflurane (n = 8).
(20) All patients with emboli were in atrial fibrillation.
Strand
Definition:
(n.) One of the twists, or strings, as of fibers, wires, etc., of which a rope is composed.
(v. t.) To break a strand of (a rope).
(n.) The shore, especially the beach of a sea, ocean, or large lake; rarely, the margin of a navigable river.
(v. t.) To drive on a strand; hence, to run aground; as, to strand a ship.
(v. i.) To drift, or be driven, on shore to run aground; as, the ship stranded at high water.
Example Sentences:
(1) Within the outflow tract wall, the labelled cells were enmeshed by strands of alcian blue-stained extracellular matrix.
(2) Theoretical computations are performed of the intercalative binding of the neocarzinostatin chromophore (NCS) with the double-stranded oligonucleotides d(CGCG)2, d(GCGC)2, d(TATA)2 and d(ATAT)2.
(3) Single stranded DNA and RNA are hydrolyzed by the spinach endonuclease.
(4) The M 13 specific DNA present in minicells isolated several hours after infection consists of single stranded viral DNA and double stranded replicative forms in nearly equal amounts.
(5) Each L subunit contains 127 residues arranged into 10 beta-strands connected by turns.
(6) Globin cDNA was used as the template for the synthesis of a complementary strand (ccDNA) by avian myeloblastosis virus DNA polymerase.
(7) Both strong-stop DNAs are made early during in vitro reactions and decline in concentration later, consistent with postulated roles as initiators of long minus- and plus-strand DNA.
(8) Neutral sucrose density sedimentation patterns indicate that neutron-induced double strand-breaks sometimes occur in clusters of more than 100 in the same phage and that the effeciency with which double strand-breaks form is about 50 times that of gamma-induced double strand-breaks.
(9) Equilibrium and kinetic studies of the interaction of gene 32 protein of T4 phage with single-stranded fd DNA were performed monitoring the changes in protein fluorescence.
(10) Single-stranded circles did not form if a limited number of nucleotides were removed from the 3' ends of native molecules by Escherichia coli exonuclease III digestion prior to denaturation and annealing.
(11) Structural studies indicate that caveolae are decorated on their cytoplasmic surface by a unique array of filaments or strands that form striated coatings.
(12) An average size chromomere of the polytene X chromosome of Drosophila melanogaster contains enough DNA in each haploid equivalent strand to code for 30 genes, each 1,000 nucleotides long.
(13) Preparations of the 72 kDa, purified by immunoprecipitation or by single-stranded DNA-cellulose column chromatography and incubated with [gamma-32P]ATP, were found to contain protein kinase activity.
(14) Longer times of radiolabeling demonstrated that the nascent RNA accumulated as 42S RNA, which was primarily of the same sense as the virion strand when it was radiolabeled at 5 h postinfection.
(15) In vivo, ribosomal RNA of Saccharomyces cerevisiae is transcribed from the light strand of gamma DNA.
(16) It is conceivable that DNA replication of RSF1010 does not need the priming mechanism for lagging strand synthesis and proceeds by the strand displacement mechanism.
(17) These experiments represent the first occasion that the sequence specificity of a DNA damaging agent, which causes only double-strand breaks, has been determined to the exact base-pair in intact cells.
(18) Crandell feline kidney cells in which the ADV-G strain of ADV was permissively replicating contained virion and non-structural proteins, large amounts of single stranded virion DNA, duplex replicative form (RF) DNA, and mRNA.
(19) Oligodeoxynucleotides related to the non-transcribed DNA strands can effectively inhibit the RNA synthesis catalyzed by E. coli RNA polymerase.
(20) The Cauliflower Mosaic Virus (CaMV) genome is a double-stranded DNA molecule of about 5 million daltons.