What's the difference between overlay and spread?

Overlay


Definition:

  • (v. t.) To lay, or spread, something over or across; hence, to cover; to overwhelm; to press excessively upon.
  • (v. t.) To smother with a close covering, or by lying upon.
  • (v. t.) To put an overlay on.
  • (n.) A covering.
  • (n.) A piece of paper pasted upon the tympan sheet to improve the impression by making it stronger at a particular place.
  • (imp.) of Overlie

Example Sentences:

  • (1) Plaque size, appearance, and number were influenced by diluent, incubation temperature after nutrient overlay, centrifugation of inoculated tissue cultures, and number of host cells planted initially in each flask.
  • (2) The adherence of the human respiratory pathogen, Bordetella pertussis, to purified glycosphingolipids was investigated using thin layer chromatography overlay assays.
  • (3) In vitro effect of intravenous immunoglobulin (IVIG), Intraglobin F, on serum opsonic activity against Staphylococcus aureus was studied in 26 full term normal healthy neonates and 18 intrauterine growth retarded (IUGR) neonates by the polymorphonuclear leucocyte overlay method (requiring only a few drops of blood).
  • (4) Dimethyl sulfoxide (DMSO) added to agar overlays during plaque assays of simian virus 40 (SV40) in CV1 monkey cells increases the plaque size and number and enables plaques to be read several days earlier than usual.
  • (5) The overlaying of earlier photos onto the present fundus also makes objective diagnosis of tumors, vessels, and other pathologically significant areas possible.
  • (6) Neutral red concentration in the agar overlay medium affected the number of plaques.
  • (7) Second, a domain of Drosophila alpha spectrin that includes two EF hand calcium-binding sequences bound 45Ca in blot overlay assays.
  • (8) These proteins were characterized with a virus overlay protein blot assay.
  • (9) By using an enzyme-linked assay, M8 and M18 were shown not to bind to MFGM glycolipid, whereas M3 and M24 did, and this was confirmed by overlaying thin layer chromatograms of MFGM lipids with these antibodies.
  • (10) Several bands were detected in each tissues using a 32P-RII overlay method.
  • (11) Overlaying the image are a few brusque swipes across the canvas, a gauzy smear of thin white paint, as if something had passed between us and the painting.
  • (12) No difference could be found between the numbers of mutans streptococci in plaque overlaying cavities and that from adjacent sound enamel.
  • (13) Inoculation of blood-agar by the push-block method and by use of concentrated mycoplasma cell suspensions was compared with the agar-overlay technique.
  • (14) Climbing fiber ablation by intraperitoneal injections of 3-acetylpyridine resulted in a selective depression of cerebellar CaM-PDE expression using Western immunoblot procedures; neither calcineurin (calmodulin-dependent protein phosphatase) nor other calmodulin binding proteins, detected by biotinylated calmodulin overlays, were affected.
  • (15) In addition, on the basis of gel overlay techniques, it appears that the hypersensitive site is also the site at which calmodulin binds to the alpha-subunit in a calcium-dependent manner.
  • (16) A considerable intensification of the avidin-biotin-peroxidase complex staining system (ABC) was obtained by sequentially overlaying the sections to be immunostained with an avidin-rich and a biotin-rich complex.
  • (17) To identify the molecule responsible for binding the virus to target cells, virus overlay protein blot assays were used to examine the molecular weights of cell surface molecules which bind purified virus.
  • (18) Preliminary results in the gel overlay assay show that other members of the intermediate filament family, nuclear lamins A-C, all bind the synthetic oligonucleotide containing the telomere repeat sequence of Oxytricha.
  • (19) The efficacy of the overlay technique for the direct detection of haemolytic colonies of Listeria from raw milk samples was related to agar selectivity.
  • (20) An isoelectric focusing-antigen overlay (IEF-O) technique showed that the target of one of the four cerebrospinal fluid oligoclonal bands was herpes simplex virus (HSV)-1 glycoprotein B, indicating a specific anti-HSV immunoresponse restricted to the CNS.

Spread


Definition:

  • (imp. & p. p.) of Spread
  • (v. t.) To extend in length and breadth, or in breadth only; to stretch or expand to a broad or broader surface or extent; to open; to unfurl; as, to spread a carpet; to spread a tent or a sail.
  • (v. t.) To extend so as to cover something; to extend to a great or grater extent in every direction; to cause to fill or cover a wide or wider space.
  • (v. t.) To divulge; to publish, as news or fame; to cause to be more extensively known; to disseminate; to make known fully; as, to spread a report; -- often acompanied by abroad.
  • (v. t.) To propagate; to cause to affect great numbers; as, to spread a disease.
  • (v. t.) To diffuse, as emanations or effluvia; to emit; as, odoriferous plants spread their fragrance.
  • (v. t.) To strew; to scatter over a surface; as, to spread manure; to spread lime on the ground.
  • (v. t.) To prepare; to set and furnish with provisions; as, to spread a table.
  • (v. i.) To extend in length and breadth in all directions, or in breadth only; to be extended or stretched; to expand.
  • (v. i.) To be extended by drawing or beating; as, some metals spread with difficulty.
  • (v. i.) To be made known more extensively, as news.
  • (v. i.) To be propagated from one to another; as, the disease spread into all parts of the city.
  • (n.) Extent; compass.
  • (n.) Expansion of parts.
  • (n.) A cloth used as a cover for a table or a bed.
  • (n.) A table, as spread or furnished with a meal; hence, an entertainment of food; a feast.
  • (n.) A privilege which one person buys of another, of demanding certain shares of stock at a certain price, or of delivering the same shares of stock at another price, within a time agreed upon.
  • (n.) An unlimited expanse of discontinuous points.
  • () imp. & p. p. of Spread, v.

Example Sentences:

  • (1) Muscle weakness and atrophy were most marked in the distal parts of the legs, especially in the gastrocnemius and soleus muscles, and then spread to the thighs and gluteal muscles.
  • (2) Before issuing the ruling, the judge Shaban El-Shamy read a lengthy series of remarks detailing what he described as a litany of ills committed by the Muslim Brotherhood, including “spreading chaos and seeking to bring down the Egyptian state”.
  • (3) The tilt was reproduced with a typical spread of about 10 degrees.
  • (4) Human gingival fibroblasts were allowed to attach and spread on bio-glasses for 1-72 h. Unreactive silica glass and cell culture polystyrene served as controls.
  • (5) I hope this movement will continue and spread for it has within itself the power to stand up to fascism, be victorious in the face of extremism and say no to oppressive political powers everywhere.” Appearing via videolink from Tehran, and joined by London mayor Sadiq Khan and Palme d’Or winner Mike Leigh, Farhadi said: “We are all citizens of the world and I will endeavour to protect and spread this unity.” The London screening of The Salesman on Sunday evening wasintended to be a show of unity and strength against Trump’s travel ban, which attempted to block arrivals in the US from seven predominantly Muslim countries: Iran, Iraq, Libya, Sudan, Somalia, Syria and Yemen.
  • (6) The spatial spread or blur parameter of the blobs was adopted as a scale parameter.
  • (7) We present a mathematical model that is suitable to reconcile this apparent contradiction in the interpretation of the epidemiological data: the observed parallel time series for the spread of AIDS in groups with different risk of infection can be realized by computer simulation, if one assumes that the outbreak of full-blown AIDS only occurs if HIV and a certain infectious coagent (cofactor) CO are present.
  • (8) The agriculture ministry raised the risk level of the virus spreading from moderate to high on Tuesday across the country, at a crucial time for the industry.
  • (9) A television camera scans the spread through microscope optics; computer and special purpose electronics process the video signals to generate run length histograms.
  • (10) Prognoses differ according to the histological type of carcinoma, but therapeutic results are also influenced by osseous involvement or by spread to the lymph nodes.
  • (11) This paper describes a teaching process in which two 4th year medical students learn a family approach to problem solving during a short clerkship of twelve hours spread over four weekly sessions.
  • (12) The type I cells are squamous and give off attenuated sheets of cytoplasm which spread widely over the septal surface; these sheets contain few organelles.
  • (13) Histologically, all 17 lesions were squamous cell carcinomas; 10 lesions being mucosal carcinomas, the remaining 7 lesions mucosal carcinomas spreading beyond the epithelial layer.
  • (14) Previous studies have shown that immunosuppressive therapy permits the growth and spread of inadvertently transplanted malignant cells in man, and, in addition, is associated with a 5 to 6% incidence of de novo cancers in organ homograft recipients who were apparently free of cancer before and at the time of transplantation.
  • (15) Field sizes varied from 3 X 4 to 3 X 12 cm depending on lesion spreading.
  • (16) The stage of a given malignancy, representing the degree of spread of the tumor to its local surroundings or distant sites, is the best predictor of long-term survival.
  • (17) The average length of spreading of the whole type was 14.5 mm, and the average length of spreading of the basal type, 19.6 mm.
  • (18) If mammography becomes a wide spread screening method for early detection of breast cancer, the number of non-true interval cancers could be a feed back on the effectiveness of the screening.
  • (19) The present studies examined the effect of cytosolic protons on electrotonic spread and conduction velocity in cardiac Purkinje fibers.
  • (20) The most effective method of combined therapy of locally spread rhinopharyngeal cancer was polychemotherapy (bleomycetin, methotrexate, vinblastine, and cyclophosphamide) before irradiation with subsequent maintenance cyclophosphamide chemotherapy once in 4 weeks for 3-6 months.