What's the difference between overlay and superimpose?

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.

Superimpose


Definition:

  • (v. t.) To lay or impose on something else; as, a stratum of earth superimposed on another stratum.

Example Sentences:

  • (1) Masking experiments are demonstrated for electrical frequency-modulated tone bursts from 1,000 to 10,000 cps and from 10,000 to 1,000 cps with superimposed clicks.
  • (2) The authors propose three regular procedures with which they are experienced: repair with a large retromuscular nonabsorbable synthetic tulle prosthesis for extensive epigastric eventrations, fillup aponeuroplasty using the sheath of the rectus abdominis associated with a premuscular patch in case of diastasis or of multiple superimposed orifices and suture associated with a small retromuscular auxiliary patch to treat small incisional hernias.
  • (3) When one pig was housed in a hut with a small outside yard a nychthemeral rhythm was sometimes superimposed on that imposed by feeding.
  • (4) Iontophoretic application of quisqualate produced a membrane depolarization with superimposed action potentials, whereas NMDA depolarized the membrane potential and evoked bursts of action potentials.
  • (5) In the case of H1 horizontal cells, which are known to be GABAergic, the neurotransmitter can also be demonstrated by superimposed immunocytochemistry.
  • (6) It is proposed that relaxation consists of (1) a generalized reduction to multiple physiological systems (termed the relaxation response by Benson) and (2) a more specific pattern of changes superimposed upon this general reduction, which is elicited by the particular techniques employed.
  • (7) Accommodation measurements of nine young, emmetropic subjects were obtained with an infrared optometer while they viewed superimposed horizontal and vertical square-wave gratings at various dioptric separations.
  • (8) Tangent-screen studies uncovered neurasthenic spiral fields superimposed on hysterical tubular contractions of both eyes.
  • (9) The variation of total Hb in the study population was due, as far as could be defined, only to beta-th-t and a superimposed iron deficiency anaemia (IDA).
  • (10) The former is frequently superimposed on the latter.
  • (11) Modulation in relation to tremor was superimposed on the bidirectional pattern related to ramps.
  • (12) Diabetic glomerulosclerosis was present in all 13 patients, but 9 patients had a non-diabetic renal disease superimposed (mesangioproliferative glomerulonephritis (n = 5), membranous glomerulonephritis (n = 3) and sarcoidosis (n = 1).
  • (13) End-diastolic and end-systolic outlines were superimposed after correcting for motion during the cardiac cycle to demonstrate wall motion.
  • (14) Even in an area nonendemic for hepatitis D, this agent contributed to 20 to 30% of chronic hepatitis B and acute hepatitis superimposed on chronic hepatitis B infection.
  • (15) In young people the basic histological pattern of clusters, composed of cores of chief cells with surrounding rims of sustentacular cells, has commonly superimposed on it prominence of the dark variant of chief cells.
  • (16) The severity of pre-existing cardiopulmonary disease largely determines prognosis regardless of the severity of the superimposed acute occlusion.
  • (17) If the square arrays are superimposed spatially one sees random incoherent motion.
  • (18) The results show that there is tissue-specificity of glycosylation and that superimposed on this is a significant degree of site-specificity.
  • (19) Plain CT was capable of demonstrating subtle bony change (cortical reaction and calcification) and medullary tumour extension without interference from other superimposed bones.
  • (20) Various iterative algorithms for separation of superimposed event sequences were designed, and their efficiency examined through simulation studies.

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