(n.) One of two straps, chains, or ropes of a harness, extending from the collar or breastplate to a whiffletree attached to a vehicle or thing to be drawn; a tug.
(v. t.) A mark left by anything passing; a track; a path; a course; a footprint; a vestige; as, the trace of a carriage or sled; the trace of a deer; a sinuous trace.
(v. t.) A very small quantity of an element or compound in a given substance, especially when so small that the amount is not quantitatively determined in an analysis; -- hence, in stating an analysis, often contracted to tr.
(v. t.) A mark, impression, or visible appearance of anything left when the thing itself no longer exists; remains; token; vestige.
(v. t.) The intersection of a plane of projection, or an original plane, with a coordinate plane.
(v. t.) The ground plan of a work or works.
(v. t.) To mark out; to draw or delineate with marks; especially, to copy, as a drawing or engraving, by following the lines and marking them on a sheet superimposed, through which they appear; as, to trace a figure or an outline; a traced drawing.
(v. t.) To follow by some mark that has been left by a person or thing which has preceded; to follow by footsteps, tracks, or tokens.
(v. t.) Hence, to follow the trace or track of.
(v. t.) To copy; to imitate.
(v. t.) To walk over; to pass through; to traverse.
(v. i.) To walk; to go; to travel.
Example Sentences:
(1) Glyceryl p-aminobenzoate and amyl p-dimethyl-aminobenzoate were labeled on 1 and 3 sunscreens, respectively, but glyceryl p-aminobenzoate was not found in any of them and only traces of amyl p-dimethylaminobenzoate were found in 1 sunscreen.
(2) Throughout the entire cultivation cytidyl derivatives occurred in trace quantities.
(3) persisted and was more abnormal in 23% of the cases including specific tracings in 37%.
(4) Traces of the sulphoxide of butylmercapturic acid have been found in rat urine but not in rabbit urine.
(5) No 7 beta-hydroxysteroid dehydrogenase activity and only a trace of 7 alpha-hydroxysteroid dehydrogenase activity could be demonstrated when bile acid was deleted from the growth medium.
(6) Silicon, a relatively unknown trace element in nutritional research, has been uniquely localized in active calcification sites in young bone.
(7) Although various micronutrients (vitamins and trace elements) have also been found to have either a positive or negative association, findings were more clear-cut for the different food items contributing the micronutrients than for the specific micronutrients themselves.
(8) Methods used in tracing and improving cooperation of subjects are described.
(9) Her black persona unravelled this week when Ruthanne and Larry Dolezal, a couple named on her Montana birth certificate as her biological parents, told Spokane’s KREM 2 News that her ancestry was German and Czech, with traces of Native American.
(10) they are shown to inhibit in vitro the release of iron from acidified host cell cytosol, consisting mostly of hemoglobin, a process that could provide this trace element to the parasite.
(11) Thus, the carotid pulse tracing provides an accurate reproduction of the morphology of the pressure tracing recorded from the ascending aorta, and when calibrated by peripheral blood pressure measurement, it can be used to calculate LV pressure throughout ejection.
(12) Mutant C grew anaerobically in the light, whereas mutant G1 was light sensitive and produced only trace amounts of bacteriochlorophyll a (0.6 mumole per ml of protein).
(13) The effect was shown to be due to caldesmon and not to a trace contaminant by its full reversibility after addition of a monospecific caldesmon antibody.
(14) Of 15 organochlorine compounds analyzed, trace amounts mainly of p,p-DDE and polychlorinated biphenyls (PCBs) were detected, but could not be quantitated.
(15) Fifty physiologically characterized units were injected with horseradish peroxidase (HRP) or Lucifer yellow CH (LY) and their processes were traced to the crista.
(16) Polysomnography has revealed that this drug has several interesting qualities that benzodiazepines do not possess: stages 3-4 increase, stage 2 is unchanged or slightly reduced and no abnormal changes are detected on the EEG tracing.
(17) We find that the labelled cell has a myelinated axon, but that the axon loses its myelin within 50 microns of the soma and has not yet been traced further.
(18) He is likely to propose increased funding of plant disease experts, the stepping up of surveillance at ports of entry and a Europe-wide "plant passport" system to trace the origins of all plants coming into Britain.
(19) In addition, the postulated personality for PD may predispose to hard work, perspiration, and increased exposure to putative trace elements in the water supply.
(20) The voltage trace is then analysed with a piece of transparent paper, on which lines corresponding to solutions of the diffusion equation convert the time axis of the voltage trace into a concentration axis.
Tract
Definition:
(n.) A written discourse or dissertation, generally of short extent; a short treatise, especially on practical religion.
(v.) Something drawn out or extended; expanse.
(v.) A region or quantity of land or water, of indefinite extent; an area; as, an unexplored tract of sea.
(v.) Traits; features; lineaments.
(v.) The footprint of a wild beast.
(v.) Track; trace.
(v.) Treatment; exposition.
(v.) Continuity or extension of anything; as, the tract of speech.
(v.) Continued or protracted duration; length; extent.
(v.) Verses of Scripture sung at Mass, instead of the Alleluia, from Septuagesima Sunday till the Saturday befor Easter; -- so called because sung tractim, or without a break, by one voice, instead of by many as in the antiphons.
(v. t.) To trace out; to track; also, to draw out; to protact.
Example Sentences:
(1) Within the outflow tract wall, the labelled cells were enmeshed by strands of alcian blue-stained extracellular matrix.
(2) Findings on plain X-ray of the abdomen, using the usual parameters of psoas and kidney shadows in the Nigerian, indicate that the two communities studied are similar but urinary calculi and urinary tract distortion are significantly more prominent in the community with the higher endemicity of urinary schistosomiasis.
(3) Sixteen patients (27%) manifested anomalies of the urinary tract: 12 had markedly altered kidneys, 8 of which were unilateral and ipsilateral to the diaphragmatic defect.
(4) Positivity was not correlated with current residence census tract socioeconomic indicators in black or white females.
(5) The course of urogenital tuberculosis is complicated by unspecific bacterial infections of the urinary tract and nephrolithiasis.
(6) They are best explained by interactions between central sympathetic activity, brainstem control of respiration and vasomotor activity, reflexes arising from around and within the respiratory tract, and the matching of ventilation to perfusion in the lungs.
(7) Febrile reactions were not distributed randomly among the patients; those with respiratory tract infection experienced more febrile reactions during periods with infection than during periods without.
(8) The pathogenicity of Mycoplasma pneumoniae in atypical pneumonias can be considered confirmed according to the availabile literature; its importance for other inflammatory diseases of the respiratory tract, particularly for chronic bronchitis, is not yet sufficiently clear.
(9) We present numerical methods for studying the relationship between the shape of the vocal tract and its acoustic output.
(10) A good understanding of upper gastrointestinal physiology is required to properly understand the pathophysiological events in various diseases or after operations on the upper gastrointestinal tract.
(11) The primary afferent fibers diverge in the brainstem into a short ascending and a long descending tract.
(12) About tow amyloid tumors diagnosed because of oropharyngeous signs, the authors remind the main symptoms at the upper airway and ENT tracts; the local, regional and general treatment will be discussed.
(13) Magnetic polyethyleneimine (PEI) microcapsules have been developed for trapping electrophilic intermediates in the gastrointestinal (GI) tract.
(14) Cholecystectomy provided successful treatment in three of the four patients but the fourth was too ill to undergo an operation; in general, definitive treatment is cholecystectomy, together with excision of the fistulous tract if this takes a direct path through the abdominal wall from the gallbladder, or curettage if the course is devious.
(15) Plasmid profiling was used to distinguish strains of lactobacilli inhabiting the digestive tract of piglets and the feces of sows.
(16) Urologic evaluation of all patients with congenital scoliosis is recommended; however, diagnostic ultrasonographic evaluations of the urinary tract have proven to be an acceptable alternative as an initial screening modality.
(17) A total of 38 patients underwent attempted percutaneous extraction of upper tract calculi with the Wolf nephroscope.
(18) A significant increase in the number of C. albicans CFU in homogenized and plated segments of the GI tract was recognized in mice with murine AIDS versus the control animals.
(19) Total white cell counts were reviewed in paediatric in-patients with viral gastroenteritis, bacterial gastroenteritis, delayed recovery following acute gastroenteritis, viral lower respiratory tract infections and cow's milk protein intolerance.
(20) Both Shigella and Salmonella transferred multi-drug resistance to some enterobacteria--E. coli and Proteus as well as to Salmonella typhimurium when the latter was also present in the intestinal tract; of these some 10--40 per cent acquire the multi-drug resistance of Salmonella heidelberg and Shigella sonnei.