What's the difference between demarcation and separation?

Demarcation


Definition:

  • (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.

Separation


Definition:

  • (n.) The act of separating, or the state of being separated, or separate.
  • (n.) Chemical analysis.
  • (n.) Divorce.
  • (n.) The operation of removing water from steam.

Example Sentences:

  • (1) It was tested for recovery and separation from other selenium moieties present in urine using both in vivo-labeled rat urine and human urine spiked with unlabeled TMSe.
  • (2) Chapter one Announcement of the Islamic Caliphate The announcement of the renewal of the caliphate in Iraq in the year 1427AH [2006] was the arbiter between division and separation as well as the glory of the Muslims.
  • (3) The adjacent gauge was separated from the ischemic segment by one large nonoccluded diagonal branch of the left anterior descending artery.
  • (4) The previous year, he claimed £1,415 for two new sofas, made two separate claims of £230 and £108 for new bed linen, charged £86 for a new kettle and kitchen utensils and made two separate claims, of £65 and £186, for replacement glasses and crockery.
  • (5) And this is the supply of 30% of the state’s fresh water.” To conduct the survey, the state’s water agency dispatches researchers to measure the level of snow manually at 250 separate sites in the Sierra Nevada, Rizzardo said.
  • (6) Completeness of isolation of the coronary and systemic circulations was shown by the marked difference in appearance times between the reflex hypotensive responses from catecholamine injections into the isolated coronary circulation and the direct hypertensive response from a similar injection when the circulations were connected as well as by the marked difference between the pressure pulses recorded simultaneously on both sides of the aortic balloon separating the two circulations.4.
  • (7) In the present study, respirometric quotients, the ratio of oral air volume expended to total volume expended, were obtained using separate but simultaneous productions of oral and nasal airflow.
  • (8) The sensitivity of an indirect fluorescent antibody (IFA) test (screening test) for the detection of antibodies to cytomegalovirus (CMV) was examined by using 128 serum specimens and quaternary aminoethyl (QAE)-Sephadex A50 column chromatography to separate IgM from IgG class antibodies.
  • (9) This experimental system allows separation of three B lymphocyte developmental stages: early differentiation in vitro, progression to IgM secretion in vivo, and late differentiation dependent upon mature T lymphocytes in vivo.
  • (10) The individual classes of drugs are first treated separately to highlight specific aspects of their quantification, and this is followed by an overview of those methods permitting the concomitant analysis of two or more antiepileptic compounds.
  • (11) The ADAM derivative of carnitine was separated from decomposition products of the reagent and related compounds such as amino acid derivatives on a silica gel column eluted with methanol-5% aqueous SDS-phosphoric acid (990:10:1).
  • (12) Each patient contributed only once to each phase (105 in phase 1, 107 in phase 2), but some entered both phases on separate occasions.
  • (13) Twenty volunteers were used for the measurement of pedal pressures for 15 trials during three separate sessions.
  • (14) The relative strength of the progressions varies with excitation wavelength and this, together with the absence of a common origin, indicates the existence of two independent emitting states with 0-0' levels separated by either 300 or 1000 cm-1.
  • (15) Densitometric analysis of myofibrillar proteins separated with sodium dodecyl sulfate-polyacrylamide gel electrophoresis indicated that troponin I and troponin T were degraded during 60 minutes of CGI.
  • (16) In a separate exclusive interview , Alexis Tsipras, the increasingly powerful 37-year-old Greek politician now regarded by many as holding the future of the euro in his hands, told the Guardian that he was determined "to stop the experiment" with austerity policies imposed by Germany.
  • (17) Sephadex LH-20 column chromatography was used for the separation of the steroid prior to assay.
  • (18) The deletions and substitutions appear to occur in separate molecules.
  • (19) The canine system allows quantitative separation of native heme containing alpha and beta chains which recombine to for tetrameric hemoglobin with normal functional properties (n = 2.17).
  • (20) Prothrombin isolation on DEAE Sephadex failed to separate the abnormal population (prothrombin Clamart) from the normal one.