(n.) The act of breaking, or state of being broken, especially by violence.
(n.) A portion; a fragment.
(n.) One or more aliquot parts of a unit or whole number; an expression for a definite portion of a unit or magnitude.
(v. t.) To separate by means of, or to subject to, fractional distillation or crystallization; to fractionate; -- frequently used with out; as, to fraction out a certain grade of oil from pretroleum.
Example Sentences:
(1) The fraction of the viral dose which became cell associated was independent of the incubation temperature and increased with increasing target membrane concentration.
(2) We similarly evaluated the ability of other phospholipids to form stable foam at various concentrations and ethanol volume fractions and found: bovine brain sphingomyelin greater than dipalmitoyl 3-sn-phosphatidylcholine greater than egg sphingomyelin greater than egg lecithin greater than phosphatidylglycerol.
(3) As far as acrophase table is concerned for all enzymes and fractions the acrophase occurred during the night.
(4) The half-life of 45Ca in the various calcium fractions of both types of bone was 72 hours in both the control and malnourished groups except the calcium complex portion of the long bone of the control group, which was about 100 hours.
(5) Gel filtration of the 40,000 rpm supernatant fraction of a homogenate of rat cerebral cortex on a Sepharose 6B column yielded two fractions: fraction II with the "Ca(2+) plus Mg(2+)-dependent" phosphodiesterase activity and fraction III containing its modulator.
(6) Using the oocyte system to express size-fractionated mRNA, we have also determined that the mRNA coding for this protein is between 1.9-2.4 kilobases in length.
(7) It is possible that the high level of radiolabeled phospholipid found in the plasma membrane arose via the de novo pathway following the cleavage of an acyl group as we have found cytidine diphosphocholine phosphotransferase in the plasma membrane fraction (Wang, P., DeChatelet, L.R., and Waite, M. (1977) Biochim.
(8) Their effects on various lipid fractions, viz., triglycerides (TG), phospholipids, free cholesterol, and esterified cholesterol, were studied in liver, plasma, gonads, and muscle.
(9) The cis isomer was retained longer in liver, particularly in mitochondria, but had low retention in that portion of the endoplasmic reticulum isolated as the rough membrane fraction.
(10) However, about one-third of the melanomas showed a higher surviving fraction at 2.0 Gy than the highest value measured for the other tumors.
(11) Further subfractionation disclosed that the acetyltransferase activity was most enriched in the Golgi fraction, in which its specific activity was some ninefold greater than in the total homogenate.
(12) This observation not only provides definitive evidence for the photogeneration of O2-, but also indicates that only a fraction of this species is transformed into H2O2 in the absence of SOD.
(13) The highest antishock effect of dopamine is reached when cardiac output fraction addressed to thoracic region vitals is supported by dopamine on the 43-45% level.
(14) However, ejection fraction or VCF were higher in patients with a reduction of compliance than in patients with an increase of compliance.
(15) Eight other children (20%) had normal or borderline elevation of CPK-MB fraction and EKG abnormalities combined with abnormal echocardiograms or radionuclide angiograms, and were considered to have sustained cardiac concussion.
(16) Thus there may be four types of LPS in PACI: one contains unsubstituted core polysaccharide and yields L2 on acid hydrolysis, another has short antigenic side-chains of the SR type and yields the LI fraction, while the two high molecular weight fractions are derived from core polysaccharides with different side-chains.
(17) ACh released from the vesicular fraction was about 100-fold more than could be accounted for by miniature end-plate potentials; possible causes of this overestimate are discussed.
(18) P2 is a cytoplasmic protein, while P1 largely fractionates with the membrane.
(19) In vitro studies showed that BOF-A2 was rapidly degraded to EM-FU and CNDP in homogenates of the liver and small intestine of mice and rats, and in sera of mice, rats and human, and the conversion of EM-FU to 5-FU occurred only in the microsomal fraction of rat liver in the presence of NADPH.
(20) Many examples are given to demonstrate the applications of these programs, and special emphasis has been laid on the problem of treating a point in tissue with different doses per fraction on alternate treatment days.
Traction
Definition:
(n.) The act of drawing, or the state of being drawn; as, the traction of a muscle.
(n.) Specifically, the act of drawing a body along a plane by motive power, as the drawing of a carriage by men or horses, the towing of a boat by a tug.
(n.) Attraction; a drawing toward.
(n.) The adhesive friction of a wheel on a rail, a rope on a pulley, or the like.
Example Sentences:
(1) After 3-5 days of side-arm traction, swelling had usually diminished sufficiently to allow the elbow to be safely hyperflexed to stabilize the fracture after elective closed reduction.
(2) The effects exerted on the cervical spine by a traction of 150 N was studied by means of an improved radiographic technique.
(3) The tractional resistance carried out on the laminate fronts where a treatment of only silane and resin of connection was applied, was greater where the treatment of silane was employed.
(4) Although the entire cohort of neck patients, regardless of group assignment, improved significantly on all the outcome variables over the 6-week period, patients receiving intermittent traction performed significantly better than those assigned to the no traction group in terms of pain (P = 0.03), forward flexion (P = 0.01), right rotation (P = 0.004) and left rotation (P = 0.05).
(5) In a group of 35 patients with cervical painful syndromes due to degenerative changes the authors applied traction treatment together with pharmacological agents.
(6) To avoid the complications attributable to the cervical spine, we recommend roentgenographic examination in all neurofibromatosis patients who are about to have general anesthesia or skull traction for treatment of scoliosis.
(7) Traction spurs with segmental hypermobility were found more commonly at the L4-5 level in patients whose spines were not fused, particularly women.
(8) Eight macerated human child skulls with a dental age of approximately 9.5 years (mixed dentition) were consecutively subjected to an experimental standardized high-pull headgear traction system attached to the maxilla at the first permanent molar area via an immovable acrylic resin splint covering all teeth.
(9) Kirschner improved the wire traction procedure decisevely.
(10) The pair arrived back in the office shortly before 6pm, as reports that the incident was a terrorist attack began to gain traction.
(11) The procedure consists of a Kirschner wire used as the means of traction on the remaining soft tissue of the lower lip, using the upper teeth or pyriform aperture bone as remote fixed points for tissue traction.
(12) Normal neck-shaft angle accounted to 53.1% in the traction group.
(13) Most arteries follow a straight course because they are stretched by longitudinal traction.
(14) Postoperatively, the patient is placed in traction for a time and then is allowed to walk with non-weight-bearing.
(15) It was also recorded that patients with edematous fibroplastic process in the central zone accompanied by vitreoretinal tractions often develop equatorial dystrophies, this being a risk factor of retinal detachment.
(16) Peroneal nerve traction does not result in abnormalities of the dorsalis pedis pulse, pain on passive muscle stretch or a tense anterior tibial compartment.
(17) It is concluded that the coefficient of limiting friction obtained during full-sole contact with the floor is a suitable means of distinguishing between tractional qualities of shoes.
(18) Patients with a femoral neck fracture often undergo skeletal traction until surgery.
(19) Retinal traction can be counteracted by the oil up to a calculated threshold value, depending on the size and shape of the tear, the strength of the surface tension and, most importantly, the distance between the retina and choroid.
(20) An area of translucence around a dense zone, appearing more clearly with traction, is suspicious.