(n.) That part of the integument of the head which is usually covered with hair.
(n.) A part of the skin of the head, with the hair attached, cut or torn off from an enemy by the Indian warriors of North America, as a token of victory.
(n.) Fig.: The top; the summit.
(v. t.) To deprive of the scalp; to cut or tear the scalp from the head of.
(v. t.) To remove the skin of.
(v. t.) To brush the hairs or fuzz from, as wheat grains, in the process of high milling.
(v. i.) To make a small, quick profit by slight fluctuations of the market; -- said of brokers who operate in this way on their own account.
Example Sentences:
(1) We have not had another incidence of fetal scalp infection associated with intrapartum monitoring.
(2) It is often difficult to study the neurological and autonomic changes in the scalp in these patients.
(3) Tests included recording the scalp EEG, visual and auditory cerebral evoked-potentials, the CNV, cerebral slow potentials related to certainty of response correctness in auditory discrimination tasks, heart rate, respiration and the galvanic skin response.
(4) The possible use of impedance measurement with scalp electrodes to detect intracranial events non-invasively was investigated by measuring the localised impedance changes during cortical spreading depression (CSD) in anaesthetised rats.
(5) To identify the origin of scalp-recorded far-field negativity of short-latency somatosensory evoked potentials to median nerve stimulation (designated N18), direct records were made from the thalamus and ventricular system during 4 stereotaxic and 3 posterior fossa operations.
(6) Complications from tissue expansion of the scalp are similar to those encountered with the placement of expanders elsewhere in the body.
(7) Scalp EEGs correctly localized the side and region of seizure onset in only 1 patient.
(8) Selective angiography revealed a scalp AVM fed by bilateral superficial temporal and right occipital arteries.
(9) After the unsuccessful treatment with classical methods by skin grafting, a mixed myocutaneous Latissimus Dorsi and cutaneous parascapular flap allow the coverage of 25 centimetres of the scalp in his larger axis.
(10) To evaluate whether local anesthetic scalp infiltration blunts hemodynamic responses to craniotomy in anesthetized children (age, 2-18 yr), two concentrations of bupivacaine (0.125% and 0.25%) with vasoconstrictor (epinephrine 1:400,000) were compared with control data when a solution of vasoconstrictor alone was injected.
(11) This operation provides an important alternative to either standard or major scalp reductions.
(12) Monitoring evoked potentials from the brain for prolonged periods during neurosurgical procedures ideally requires attached scalp electrodes that may be placed in a sterile field.
(13) The effect of scalp hypothermia in connection with chemotherapy was evaluated as hair protection in 61 women with disseminated breast carcinoma, where earlier treatment routines had caused wig-requiring alopecia in nearly all patients.
(14) Here we give an example of its application to a comparison of curves, in this particular case average auditory evoked potentials, picked up at symmetrical points on the scalp.
(15) In a continuing study of the EEG as a monitor of cortical activity during anesthesia using a time-domain wave analyzer, the contamination of the EEG by scalp muscle activity was observed.
(16) Angiosarcomas of the skin develop almost exclusively in the following clinical settings: (1) the lymphedematous extremity, secondary to prior mastectomy in most instances; (2) the face and scalp, usually in elderly individuals; and (3) skin that has been previously radiated.
(17) These findings may require a rethinking of specific information processing interpretations of other endogenous ERPs, although the results also indicate that the 'oddball' effect on the P300 and CNV was distinctive in terms of scalp distributions and sensitivity to the manipulation.
(18) A left scalp skin flap (2.5 by 7 cm) based on the superficial temporal artery and vein was transferred to the bald area, with microvascular anastomosis to the superficial temporal vessels on the right side.
(19) Pattern 2, distant metastasis without scalp or regional lymph node spread, was associated with early radiotherapy and chemotherapy.
(20) Cortical activation patterns as measured by negative shifts of the scalp-recorded cortical steady potential ("DC shifts") were assessed in 28 normal subjects during imagining colours, faces, and a spatial map.
Sieve
Definition:
(n.) A utensil for separating the finer and coarser parts of a pulverized or granulated substance from each other. It consist of a vessel, usually shallow, with the bottom perforated, or made of hair, wire, or the like, woven in meshes.
(n.) A kind of coarse basket.
Example Sentences:
(1) The test is based on the ability of larvae to freely migrate through selected mesh sizes of nylon sieves and the reduced ability of larvae to migrate after preincubation with, and in the presence of, substances that inhibit or reduce larval motility.
(2) The described procedure has the advantage of not requiring either molecular sieve or affinity chromatography for purification of homogenous CRP from human sera.
(3) When the capacitation medium was supplemented with follicular fluid, the [3H]sterols were bound to HDL's and to the albumin fraction; when the latter fraction was analysed by molecular sieve chromatography, 60-70% of the radioactivity eluted in fractions with a mean molecular weight corresponding to that of human serum albumin.
(4) When deformability was measured by filtration through 3-mum polycarbonate sieves, marked decreases in deformability were found in complement-coated erythrocytes.
(5) Rat liver cathepsin D (EC 3.4.23.5) was purified using precipitation technique, ion exchange chromatography, molecular sieve chromatography and isoelectric focusing.
(6) Analysis of the CNBr peptides on an HPLC sieving column confirmed that the electrophoretically abnormal peptides were of a higher molecular weight than were control peptides.
(7) The half-life of the solubilized oxidoreductase stored at 2-4 degrees C in the presence of 25% glycerol at pH 8.6 is approximately 30 h. The oxidoreductase contains a flavoprotein identifiable by its fluorescence spectrum for FAD which binds weakly to concanavalin A-Sepharose and elutes from gel sieving columns at a molecular weight range of approximately 51,000.
(8) passing through a 1.18 mm sieve during wet sieving) from the reticulo-rumen were negatively related to dimensions of particles, with greater ease of outflow for legume than for grass particles of the same length or diameter.
(9) Its molecular weight, determined by molecular sieving, was close to 36 kDa.
(10) The degree of fragmentation was judged first by eye during the experiment and then by both microscopy and sieving of the debris.
(11) Further purification of the 50K collagen by molecular sieve and high-performance liquid chromatography resulted in the isolation of two-non-disulfide-bonded polypeptides, 50K-A and 50K-B, which were susceptible to several neutral proteases, including bacterial collagenase.
(12) To demonstrate this point, the assay was applied to the protein fractions recovered from a molecular sieve column.
(13) The sieving of chylomicrons, remnants and other lipoproteins by the sinusoidal endothelium of the liver may thus play an important role in lipid transport, affecting the balance of various lipoprotein moieties which in turn may affect the relationship of dietary lipids to various hyperlipidaemias and atherosclerosis.
(14) Porcine cerebral microvessels were isolated by differential sieving and centrifugation and were characterized by microscopic examination and marker enzyme enrichment (gamma-glutamyltransferase; EC 2.3.2.2).
(15) Dextran sieving studies were performed before and after intravenous administration of indomethacin to control rats and to nephritic rats with heavy proteinuria.
(16) Cells dissociated by trypsinization and sieving are metabolically more active than cells separated mechanically (sieving only).
(17) Mannitol infusion resulted in a significant increase in urine volume and fractional excretion of sodium, but glomerular filtration rate, albumin excretion rate, and the sieving coefficient for albumin remained stable.
(18) The flours are strained through a 425 microns sieve, then pelletized and measured.
(19) The Mr of agarase IIb was 63 000 as determined by analytical ultra-centrifugation, polyacrylamide gel electrophoresis in sodium dodecyl sulphate and molecular sieve chromatography on Sepharose 4B in 6M Gdn-HCl.
(20) The IL-1 induced chondrocyte PLA2 has a molecular weight of approximately 10 kDa, as determined by molecular sieve G75 column chromatography.