(n.) The act of marking, or of ascertaining and setting a limit; separation; distinction.
Example Sentences:
(1) Immunofluorescence and immunoelectronmicroscopy experiments demonstrated that while tight junctions demarcate PAS-O distribution in confluent cultures, apical polarity could be established at low culture densities when cells could not form tight junctions with neighboring cells.
(2) The carpus is initially a cartilaginous structure that subsequently demarcates into separate carpal bones.
(3) Most well-demarcated tumors can be removed by operation alone.
(4) These two distinct classes of human pseudogenes provide a molecular record of the history of cytochrome c evolution in primates and demarcate a short period of rapid evolution of the functional gene.
(5) Ultrastructurally, there was a sharp demarcation of only 10 mu between the region of injury and normal myocardium, with little evidence of heat injury.
(6) The subicular area, best expressed in the temporal sector, extends anteriorly over the corpus callosum to the subcallosal gyrus and, throughout its extent from the uncal to the septal junction, is clearly demarcated from limbic neocortex by a transition zone characterized by archicortical cells merging with cells in the deep layer of the bordering neocortex.
(7) By EUS, myogenic tumors originating from the proper muscle were delineated as clearly demarcated hypoechoic tumors arising from the fourth layer.
(8) Besides the notion of psychosomatic medicine as a way of viewing, there is need of a definition of so-called psychosomatic diseases from the aspect of demarcation against general bio-psycho-social interactions.
(9) Growth of cells in medium containing BrdU for two generations allows fluorometric documentation of the semiconservative distribution of newly replicated DNA between sister chromatids, and regions of sister chromated exchange are demarcated.
(10) Cells with demarcated borders showed rearrangement of microvilli into globular chains or ridges which lined up with the branching membrane.
(11) Three months later a computed tomographic scan obtained 2 hours after intravenous contrast injection demonstrated sharply demarcated, dense, persistent nephrograms corresponding to the irradiated areas.
(12) The YM2 cells had a developed demarcation membrane system around the nucleus and comprised 24% of the yolk sac megakaryopoietic cells.
(13) Furthermore the use of Betaisodona solution for instillation in the zone of demarcation will be examined.
(14) In most cases where demarcation was accompanied by migration the operation notes suggested a technical explanation and in three cases low-grade sepsis was responsible.
(15) Bicuculline-induced convulsions increased glucose use throughout the brain and sharply demarcated the ventral pallidum and globus pallidus.
(16) The differential diagnostic demarcation against other diseases of the CNS with similar CT findings and problems of differential diagnosis with MRI are discussed.
(17) Since the inception of sexology as an academic discipline a century ago, the boundary between sexology, the science, and sexosophy, the philosophy of sex, has been poorly demarcated, especially with respect to the principles of sex-reform movements.
(18) In the case without left atrial invasion, which was proved by autopsy, a high intensity line due to mediastinal fat demarcated the mass distinctly.
(19) The respiratory bronchiole found immediately distal to the terminal conducting airways had two clearly demarcated zones of distinctly different epithelial populations.
(20) Demarcation of perivesicular fatty infiltration is rendered more difficult by Gd-DTPA.
Limit
Definition:
(v. t.) That which terminates, circumscribes, restrains, or confines; the bound, border, or edge; the utmost extent; as, the limit of a walk, of a town, of a country; the limits of human knowledge or endeavor.
(v. t.) The space or thing defined by limits.
(v. t.) That which terminates a period of time; hence, the period itself; the full time or extent.
(v. t.) A restriction; a check; a curb; a hindrance.
(v. t.) A determining feature; a distinguishing characteristic; a differentia.
(v. t.) A determinate quantity, to which a variable one continually approaches, and may differ from it by less than any given difference, but to which, under the law of variation, the variable can never become exactly equivalent.
(v. t.) To apply a limit to, or set a limit for; to terminate, circumscribe, or restrict, by a limit or limits; as, to limit the acreage of a crop; to limit the issue of paper money; to limit one's ambitions or aspirations; to limit the meaning of a word.
(v. i.) To beg, or to exercise functions, within a certain limited region; as, a limiting friar.
Example Sentences:
(1) Serum levels of both dihydralazine and metabolites were very low and particularly below the detection limit.
(2) This should not be a serious limitation to the application of the RIA in the detection of venous thrombosis.
(3) The rise of malaria despite of control measures involves several factors: the house spraying is no more accepted by a large percentage of house holders and the alternative larviciding has only a limited efficacy; the houses of American Indians have no walls to be sprayed; there is a continuous introduction of parasites by migrants.
(4) Increased infusion flow rate did not increase the limiting frequency.
(5) The extent of the infectious process was limited, however, because the life span of the cultures was not significantly shortened, the yields of infectious virus per immunofluorescent cell were at all times low, and most infected cells contained only a few well-delineated small masses of antigen, suggestive of an abortive infection.
(6) Limited biopsic retroperitoneal lymphnode dissection subsequently extended following the result of the frozen section histology.
(7) In addition, the fact that microheterogeneity may occur without limit in the mannans of the strains suggests that antibodies with unlimited diverse specificities are produced directed against these antigenic varieties as well.
(8) The specific limited trypsinolysis of bacteriophage T7 RNA polymerase (T7RP) was performed in the presence of various components of the polymerase reaction and some GTP-analogs--irreversible inhibitors of the enzyme.
(9) This postulate is supported by a limited study of the serovars present among the isolates.
(10) Breast reconstruction should not be limited to the requiring patients, but should represent, in selected cases with favourable prognosis, an integrative and complementary procedure of the treatment.
(11) As increases to the Isa allowance are based on the CPI inflation figure for the year to the previous September, the new data suggests the current Isa limit of £15,240 will remain unchanged next year.
(12) Conditions for limited digestion of the heterodimer by subtilisin, removing only the carboxyl terminus, were determined.
(13) Furthermore the limit between hearing aid fitting an cochlear implantation is discussed.
(14) Comprehensive regulations are being developed to limit human exposure to contamination in drinking water by the United States Environmental Protection Agency (EPA) under the authority of the Safe Drinking Water Act (SDWA).
(15) Direct limiting effects of hypothermia on tissue O2 delivery and muscle oxidative metabolism as well as vasoconstriction and arteriovenous shunting associated with CPB procedures are likely to be involved in the above mentioned alterations of cell metabolism.
(16) Their disadvantages - the expensive equipment and the time-consuming procedure respectively - limit their widespread use.
(17) The lower limit (LL) of CBF autoregulation was calculated by a computerized program and tested for different factors for correction of the PaCO2-induced changes in CBF.
(18) Immunochemical techniques, in particular ELISA are available for only a very limited number of NM (e.g.
(19) Only one E. coli strain, containing two plasmids that encode endo-pectate lyases, exo-pectate lyase, and endo-polygalacturonase, caused limited maceration.
(20) Initiation of the alternative pathway by the cryptococcal capsule is characterized by a lag in C3 accumulation and the appearance of a limited number of focal initiation sites which resemble those observed when the alternative pathway is activated by zymosan and nonencapsulated cryptococci.