What's the difference between length and tract?

Length


Definition:

  • (a.) The longest, or longer, dimension of any object, in distinction from breadth or width; extent of anything from end to end; the longest line which can be drawn through a body, parallel to its sides; as, the length of a church, or of a ship; the length of a rope or line.
  • (a.) A portion of space or of time considered as measured by its length; -- often in the plural.
  • (a.) The quality or state of being long, in space or time; extent; duration; as, some sea birds are remarkable for the length of their wings; he was tired by the length of the sermon, and the length of his walk.
  • (a.) A single piece or subdivision of a series, or of a number of long pieces which may be connected together; as, a length of pipe; a length of fence.
  • (a.) Detail or amplification; unfolding; continuance as, to pursue a subject to a great length.
  • (a.) Distance.
  • (v. t.) To lengthen.

Example Sentences:

  • (1) The cross sectional area of the aortic lumen was gradually decreased while the length of the stenotic lesion gradually increased by using strips with different width.
  • (2) A full-length cDNA encoding porcine heart aconitase was derived from lambda gt10 recombinant clones and by amplification of the 5' end of the mRNA.
  • (3) However, there was no correlation between the length of time PN was administered to onset of cholestasis and the gestational age or birth weight of the infants.
  • (4) 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.
  • (5) Their contour lengths varied from 0.28 to 51 micron, but unlike in the case of maize, a large difference was not observed in the distribution of molecular classes greater than 1.0 micron between N and S cytoplasms of sugar beet.
  • (6) In view of reports of the reduction of telomeric repeats in human malignant tumors, we measured the lengths of telomeric repeats in 55 primary neuroblastomas.
  • (7) Overall length of stay found in this study (14.02 days) is considerably higher than Indian optimum.
  • (8) A cytogenetic and anatomopathologic study of an embryo of 24 mm crown-rump length showing pure triploidy (69,XXY) is reported.
  • (9) Both systems indicated that the Kupffer cell modified endotoxin by enriching the lipid content of the molecule and shortening the length of the O-antigen.
  • (10) The method used in connection with the well known autoplastic reimplantation not only presents an alternative to the traditional apicoectomy but also provides additional stabilization of the tooth by lengthing the root with cocotostabile and biocompatible A1203 ceramic.
  • (11) Expressed per centimeter of gut length, total DAO activity was also enhanced by +141% in segment B (P less than 0.05 vs controls) and by +87% in segment C (P less than 0.01 vs controls) of resected rats.
  • (12) Northern hybridization analysis of R. toruloides RNA with a restriction fragment encoding part of the PAL gene indicates that PAL mRNA is 2.5 kilobases in length.
  • (13) The polymerization of dATP, dCTP, and dGTP onto the defined length initiator, d(pA)10, has been carried out in four buffers.
  • (14) The scleral arc length is slightly longer than the chord length (caliper setting).
  • (15) lengths with the subjects equally divided into these four groups: distributed trials, distributed sessions; distributed trials, massed sessions; massed trials, distributed sessions; and massed trials, massed sessions.
  • (16) The lengths and heights of the scalae tympani in ten pairs of serially sectioned temporal bones were measured by an adaptation of the serial section method of cochlear reconstruction.
  • (17) The diastolic sarcomere length was not affected by the changes in thyroid state.
  • (18) All 3 drugs increased the basic cycle length of pacing at which VT was induced and the cycle time of the resulting VT.
  • (19) Restriction fragment length polymorphisms (RFLPs) were studied in a large Algerian family which includes 6 haemophiliacs and a previously described case of female haemophilia A.
  • (20) The mean length of the seminal vesicles was 2.98 cm.

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.