(n.) The rising from the ground, or beginning, of a stream of water or the like; a spring; a fountain.
(n.) That from which anything comes forth, regarded as its cause or origin; the person from whom anything originates; first cause.
Example Sentences:
(1) Manometric studies with resting cells obtained by growth on each of these sulfur sources yielded net oxygen uptake for all substrates except sulfite and dithionate.
(2) This would disrupt and prevent Isis from maintaining stable and reliable sources of income.
(3) A diplomatic source said the killing appeared particularly unusual because of Farooq lack of recent political activity: "He was lying low in the past two years.
(4) 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).
(5) The direct monocyte source is not sufficient to insure the stability of this population.
(6) Four patients with acute brucellosis are described, none of whom had any connexion with farming or milk industry, the source of infection being different in each case.
(7) No correlation between volatile make up and geography was found, but the profiling procedures are shown to be of use in the forensic problem of relating samples to a common source.
(8) The company, part of the John Lewis Partnership, now sources all its beef from the UK, including in its ready meals, sandwiches and fresh mince.
(9) Thirty-two strains of pectin-fermenting rumen bacteria were isolated from bovine rumen contents in a rumen fluid medium which contained pectin as the only added energy source.
(10) These spectra show marked differences between sources.
(11) This capacity is expressed during incubation of the bacteria with the substrate and needs a source of carbon and other energy metabolites.
(12) A 45-year-old mother of four, named as Hediye Sen, was killed during clashes in Cizre, while a 70-year-old died of a heart attack during fighting in Silopi, according to hospital sources.
(13) A Monte Carlo simulation was performed to characterize the spatial and energy distribution of bremsstrahlung radiation from beta point sources important to radioimmunotherapy (RIT).
(14) Former detectives had dug out damning evidence of abuse, as well as testimony from officers recommending prosecution, sources said.
(15) The antigenic composition of an extract of rat dust, as a source of aeroallergens for rat-sensitive individuals, has been investigated and compared to the antigenic composition of rat saliva and urine.
(16) Furthermore, the analyses indicated an important interplay between environmental sources and social factors in the determination of hand lead and blood lead levels in very young children.
(17) An accurate and reproducible method is described for generating a map of the cobalt sheet source from images of it made in multiple positions with the scintillation camera.
(18) Biosyntheses of TXA2 and PGI2 were carried out using arachidonic acid as a substrate and horse platelet and aorta microsomes as sources of TXA2 and PGI2 synthetases respectively.
(19) In certain cases, the effects of these substances are enhanced, in others, they are inhibited by compounds that were isolated from natural sources or prepared by chemical synthesis.
(20) Lysates of lymphoblastoid cells provided the antigen source which were visualized by sodium dodecyl sulfate polyacrylamide gel electrophoresis.
Synchronization
Definition:
(n.) The act of synchronizing; concurrence of events in respect to time.
Example Sentences:
(1) The fluctuations in [Ca2+]i measured with fura-2 were synchronized among the population of cells observed and were sensitive to extracellular Ca2+ concentration ([Ca2+]o).
(2) Histone mRNA, labeled with 32P or 3H-methionine during the S phase of partially synchronized HeLa cells, was isolated from the polyribosomes and purified as a "9S" component by sucrose gradient sedimentation.
(3) An experimental model was established in the ewe allowing one to predict with accuracy an antral follicle that coincidentally would either undergo ovulation (6-8 mm diameter) or atresia (3-4 mm diameter) following synchronization of luteal regression and the onset of the gonadotropin surge.
(4) By means of rapid planar Hill type antimony-bismuth thermophiles the initial heat liberated by papillary muscles was measured synchronously with developed tension for control (C), pressure-overload (GOP), and hypothyrotic (PTU) rat myocardium (chronic experiments) and after application of 10(-6) M isoproterenol or 200 10(-6) M UDCG-115.
(5) 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.
(6) The analysis suggests that the wave-peak discharge results from synchronous alternation of depolarization potentials and long periods of postsynaptic inhibition in most of the cortical elements.
(7) A synchronization of plasma prorenin with the other hormones was seen both before, as previously reported, and during enalapril treatment.
(8) 77 per cent of the synchronous tumors were located in the left colon.
(9) The spore germination was synchronized by selection of the spores of the definite size and maintenance at a temperature of 0 degrees.
(10) The average vlaues of the correlation coefficients were found to increase from arousal through slow synchronized sleep (S sleep), reaching the highest value in REM sleep.
(11) A review of 90 patients presenting in Leeds over the period 1976-80 with synchronous hepatic metastases from colorectal cancer has been undertaken.
(12) A system for obtaining synchronous germination of mitospores is described.
(13) Treatment with 0.3 microM or 0.7 microM BPDE-I, which are doses that interfere with DNA synthesis in operating replicons in asynchronous cells, also inhibited the growth of nascent DNA strands in synchronized cells by 22 and 64%, respectively.
(14) Electrographically, the motor phenomena corresponded with the occurrence of periodic synchronous discharges (PSD) (in one-to-one manner).
(15) A synchronic increase and decrease of IgG-1 serum levels and indirect fluorescent antibody titres were observed during the course of the infection.
(16) Rabbit morulae and blastocysts were cultured in conventional culture media [Ham's F10 or BSM II supplemented with bovine serum albumin (BSA) or serum] or in Ham's medium supplemented with synchronous or asynchronous uterine flushings, mostly for 2 days, and afterwards investigated by light and electron microscopy and by autoradiography.
(17) However, a region containing pixels that are perfectly synchronous on average would still yield a finite distribution of calculated Fourier coefficients due to the propagation of stochastic pixel noise into the calculated values.
(18) The uterine osteosarcoma is the seventh case reported in the world, while it is the second case of synchronous triple primary tumors of the upper female genital tract.
(19) A consequence of periodic clusters of cellular bursts was the widespread occurrence of periodic synchronized synaptic potentials, as have been observed in hippocampal slices and human temporal neocortical slices.
(20) This syncitium-like arrangement is interpreted as the morphological counterpart of a possibly synchronized function of these cells.