What's the difference between area and surface?

Area


Definition:

  • (n.) Any plane surface, as of the floor of a room or church, or of the ground within an inclosure; an open space in a building.
  • (n.) The inclosed space on which a building stands.
  • (n.) The sunken space or court, giving ingress and affording light to the basement of a building.
  • (n.) An extent of surface; a tract of the earth's surface; a region; as, vast uncultivated areas.
  • (n.) The superficial contents of any figure; the surface included within any given lines; superficial extent; as, the area of a square or a triangle.
  • (n.) A spot or small marked space; as, the germinative area.
  • (n.) Extent; scope; range; as, a wide area of thought.

Example Sentences:

  • (1) The accumulation of lipids and enzymes such as simple estarase, lipase, beta-HDH, alpha-GDH and NADPH-reductase in those areas, suggests that lipids are not a simple excretory product.
  • (2) We used the polymerase chain reaction (PCR) to amplify the breakpoint area of alpha-thalassemia-1 of Southeast Asia type and several parts of the alpha-globin gene cluster to make a differential diagnosis between alpha-thalassemia-1 and Hb Bart's hydrops fetalis.
  • (3) For some time now, public opinion polls have revealed Americans' strong preference to live in comparatively small cities, towns, and rural areas rather than in large cities.
  • (4) On Friday night, in a stadium built in an area once deemed an urban wasteland, the flame that has journeyed from Athens to every corner of these islands will light the fire that launches the London Olympics of 2012.
  • (5) Neuropsychological testing is a relatively new field in the area of clinical neuroscience.
  • (6) A study of factors influencing genetic counseling attendance rate has been conducted in the Bouches-du-Rhône area, in the south of France.
  • (7) To quantify the size of the lesion in mice, the area of the infarct on the brain surface was assessed planimetrically 48 h after MCA occlusion by transcardial perfusion of carbon black.
  • (8) 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.
  • (9) No reaction product was observed in the lamellar areas.
  • (10) This computer is connected to a fileserver via a local area network and is used exclusively for data acquisition.
  • (11) Graft life is even more prolonged with patch angioplasty at venous outflow stenoses or by adding a new segment of PTFE to bypass areas of venous stenosis.
  • (12) The coefficient of variation in the integrated area of a single peak is 16%.
  • (13) A quadripolar catheter was positioned either at the site of earliest ventricular activation during induced monomorphic ventricular tachycardia or at circumscribed areas of the left ventricle.
  • (14) Blood flow decreased immediately after skin expansion in areas over the tissue expander on days 0 and 1 and returned to baseline levels within 24 hours.
  • (15) Consensual but rationally weak criteria devised to extract inferences of causality from such results confirm the generic inadequacy of epidemiology in this area, and are unable to provide definitive scientific support to the perceived mandate for public health action.
  • (16) In the fall of 1975, 1,915 children in grades K through eight began a school-based program of supervised weekly rinsing with 0.2 percent aqueous solution of sodium fluoride in an unfluoridated community in the Finger Lakes area of upstate New York.
  • (17) Pain is not reported in the removal area, the clinical examinations show identical findings on both patellar tendons, X-ray and ultrasound evaluations do not demonstrate any change in patellar position.
  • (18) However, there was no statistically significant difference in mean areas under the LH and FSH curves in the GnRH-treated groups.
  • (19) In 22 cases (63%), retinal detachment was at least partially flattened in the area of the posterior pole of the eye.
  • (20) The hospital whose A&E unit has been threatened with closure on safety grounds has admitted that four patients died after errors by staff in the emergency department and other areas.

Surface


Definition:

  • (n.) The exterior part of anything that has length and breadth; one of the limits that bound a solid, esp. the upper face; superficies; the outside; as, the surface of the earth; the surface of a diamond; the surface of the body.
  • (n.) Hence, outward or external appearance.
  • (n.) A magnitude that has length and breadth without thickness; superficies; as, a plane surface; a spherical surface.
  • (n.) That part of the side which is terminated by the flank prolonged, and the angle of the nearest bastion.
  • (v. t.) To give a surface to; especially, to cause to have a smooth or plain surface; to make smooth or plain.
  • (v. t.) To work over the surface or soil of, as ground, in hunting for gold.

Example Sentences:

  • (1) The resulting dose distribution is displayed using traditional 2-dimensional displays or as an isodose surface composited with underlying anatomy and the target volume.
  • (2) Phospholipid methylation in human EGMs is distinctly different from that in rat EGMs (Hirata and Axelrod 1980) in that the human activity is not Mg++-dependent, and apparent methyltransferase I activity is located in the external membrane surface.
  • (3) To quantify the size of the lesion in mice, the area of the infarct on the brain surface was assessed planimetrically 48 h after MCA occlusion by transcardial perfusion of carbon black.
  • (4) Using monoclonal antibodies directed against the plasma membrane of Madin-Darby canine kidney (MDCK) cells, we demonstrated previously that a glycoprotein with an Mr = 23,000 (gp23) had a non-polarized cell surface distribution and was observed on both the apical and basolateral membranes (Ojakian, G. K., Romain, R. E., and Herz, R. E. (1987) Am.
  • (5) In the surface epithelial cells, the basolateral cell surface showed moderate enzymatic activity.
  • (6) Such an increase in antibody binding occurred simultaneously with an increase in the fluidity of surface lipid regions, as monitored by fluorescence depolarization of 1-(trimethylammoniophenyl)-6-phenyl-1,3,5-hexatriene.
  • (7) The role of Ca2+ in cell agglutination may be either to activate the cell-surface dextran receptor or to form specific intercellular Ca2+ bridges.
  • (8) The subcellular distribution of sialyltransferase and its product of action, sialic acid, was investigated in the undifferentiated cells of the rat intestinal crypts and compared with the pattern observed in the differentiated cells present in the surface epithelium.
  • (9) Even with hepatic lipase, phospholipid hydrolysis could not deplete VLDL and IDL of sufficient phospholipid molecules to account for the loss of surface phospholipid that accompanies triacylglycerol hydrolysis and decreasing core volume as LDL is formed (or for conversion of HDL2 to HDL3).
  • (10) A total of 555 caries lesions were registered on proximal surfaces, 49.1% being primary lesions in the enamel, 21.4% primary lesions into the dentin and 29.5% secondary lesions.
  • (11) Contact angles of Silafocon A and PMMA were relatively uninfluenced by front surface radii between 7.7 and 8.85 and 7.3 to 8.8 mm, respectively.
  • (12) These cells contained organelles characteristic of the maturation stage ameloblast and often extended to the enamel surface, suggesting a possible origin from the ameloblast layer.
  • (13) Together these observations suggest that cytotactin is an endogenous cell surface modulatory protein and provide a possible mechanism whereby cytotactin may contribute to pattern formation during development, regeneration, tumorigenesis, and wound healing.
  • (14) Our Ph1-positive ALL revealed B-cell lineage leukemia, since their surface phenotype were Ia+ and CD10+ and they have rearranged immunoglobulin JH genes.
  • (15) The complete nucleotide sequence of the gene for a cell surface protein antigen (SpaA) of Streptococcus sobrinus MT3791 (serotype g) was determined.
  • (16) To investigate the mechanism of enhanced responsiveness of cholesterol-enriched human platelets, we compared stimulation by surface-membrane-receptor (thrombin) and post-receptor (AlF4-) G-protein-directed pathways.
  • (17) Lysis of EAC4b,3b cellular intermediates formed to contain a low surface amount of C3b was more inhibited than was lysis of cells formed with a standard amount of C3b on the surface.
  • (18) After either 5 or 10 days of culture with both cytokines, intense immunofluorescent staining for Ia could be identified on the surface of greater than 80-90% of the viable islet cells.
  • (19) Within the capillary-perfused mucosa and muscularis (between 50 and 2000 microns from the urothelial surface), concentrations decreased by 50% for each 500-microns distance.
  • (20) Displacement of the surface of the cornea of bovine eyes after disruption of intact structures was investigated by means of holographic interferometry.