What's the difference between exfoliation and preparation?

Exfoliation


Definition:

  • (n.) The scaling off of a bone, a rock, or a mineral, etc.; the state of being exfoliated.

Example Sentences:

  • (1) No exfoliation could be observed at lower concentrations.
  • (2) We compared two noninvasive methods of sampling exfoliated cervical cells--cervicovaginal lavage and scrape-Cytobrush.
  • (3) A model system of exfoliated normal human cervicovaginal squamous cells, exfoliated rodent tumor cells, and acellular, viscous, mucuslike material was used to investigate cell deposition on smear preparations made with three different instruments: plastic spatulas, wooden spatulas, and brush-tipped collectors.
  • (4) A prospective study was performed by 30 ophthalmologists to determine the prevalence of exfoliation syndrome (ES) in different areas of France and its relationship with glaucoma.
  • (5) There was no evidence of exfoliated acinar cells in the drainage fluid.
  • (6) They take the same appearance in vivo and in vitro: cell agglutination, nuclear hypertrophy, exfoliation and release of cellular material, formation of uniting bridges across the gap between the shelves.
  • (7) The ability of phage group II staphylococcal strain UT 0101 to produce exfoliative toxin and bacteriocin could be eliminated at a high frequency after growth at high temperatures or in the presence of ethidium bromide or sodium dodecyl sulfate.
  • (8) The combined action of IFN-gamma and TNF-alpha caused a dose-related cellular exfoliation, leading to the formation of a mucoid cap made of mucus and cellular debris.
  • (9) Nineteen patients with suspected malignant obstruction at the confluence of the bile ducts had exfoliative biliary cytology and fine needle aspiration cytology performed.
  • (10) While many spontaneously resorb or exfoliate, some, as in this case, may need surgical removal.
  • (11) Exfoliative cytology from the uterine cavity or ultrasonography does still not allow the final and definite diagnosis.
  • (12) Exfoliative cytology is helpful in the follow-up of bladder tumours.
  • (13) The presence of influenza virus type A (H1N1), A (H3N2) and B was revealed by immunofluorescence in exfoliated cells collected from nasopharynx.
  • (14) Exfoliated cells from patients with squamous carcinoma of the cervix contain antigens related to herpesvirus subtype 2, as revealed by direct or indirect immunofluorescent techniques.
  • (15) The distribution of collagen types I, IV and laminin was studied in normal and exfoliative vessels.
  • (16) Extensive necrossis and exfoliation of the seminiferous elements were conspicuous.
  • (17) The morphology of apocrine cells exfoliated in breast cyst fluid (BCF) was studied in 78 BCF samples obtained from 39 premenopausal patients with gross cystic disease who were bearing two simultaneously aspirated cysts.
  • (18) Acidified Maalox 70 and Al(OH)3 were significantly more potent than unmodified agents against all four tested types of acute mucosal lesions, and this action was probably due to their 'mild irritant' effect as evidenced by extensive exfoliation of the surface epithelial cells observed microscopically after the exposure of the mucosa to these agents.
  • (19) Exfoliative cytology emerges as a valuable tool for the diagnosis of allergic conjunctivitis, while the presence of noncellular elements is of particular diagnostic significance.
  • (20) In the case of non-zero fluxes at the boundaries the condition of stability of exfoliated stationary structures in the systems with bistable local dynamics is given.

Preparation


Definition:

  • (n.) The act of preparing or fitting beforehand for a particular purpose, use, service, or condition; previous arrangement or adaptation; a making ready; as, the preparation of land for a crop of wheat; the preparation of troops for a campaign.
  • (n.) The state of being prepared or made ready; preparedness; readiness; fitness; as, a nation in good preparation for war.
  • (n.) That which makes ready, prepares the way, or introduces; a preparatory act or measure.
  • (n.) That which is prepared, made, or compounded by a certain process or for a particular purpose; a combination. Specifically: (a) Any medicinal substance fitted for use. (b) Anything treated for preservation or examination as a specimen. (c) Something prepared for use in cookery.
  • (n.) An army or fleet.
  • (n.) The holding over of a note from one chord into the next chord, where it forms a temporary discord, until resolved in the chord that follows; the anticipation of a discordant note in the preceding concord, so that the ear is prepared for the shock. See Suspension.
  • (n.) Accomplishment; qualification.

Example Sentences:

  • (1) The microsomal preparations from untreated Syrian golden hamster livers exhibited higher activities of N-demethylation towards the macrolide antibiotics, erythromycin and troleandomycin, than those from untreated and phenobarbital-treated rats.
  • (2) The proportion of motile spermatozoa decreased with time at the same rate when samples were prepared in either HEPES or phosphate buffers.
  • (3) Previous attempts to purify this enzyme from the liquid endosperm of kernels of Zea mays (sweet corn) were not entirely successful owing to the lability of partially purified preparations during column chromatography.
  • (4) On the other hand, human IL-9, which is a homologue to murine P40, was cloned from a cDNA library prepared with mRNA isolated from PHA-induced T-cell line (C5MJ2).
  • (5) The use of organophosphorus preparations in the treatment of ectoparasites and endoparasites of pigs is discussed.
  • (6) As the percentage of rabbit feed is very small compared to the bulk of animal feeds, there is a fair chance that rabbit feed will be contaminated with constituents (additives) of batches previously prepared for other animals.
  • (7) Microionophoretically applied excitatory amino acids induced firing of extracellularly recorded single units in a tissue slice preparation of the mouse cochlear nucleus, and the similarly applied antagonist 2-amino-5-phosphonovalerate (2APV) was demonstrated to be a selective N-methyl-D-aspartate (NMDA) receptor antagonist.
  • (8) Furthermore, all of the sera from seven other patients with shock reactions following the topical application of chlorhexidine preparation also showed high RAST counts.
  • (9) We have developed a new procedure for the rapid preparation of undegraded total RNA from cultured cells for specific quantitation by dot blotting analysis.
  • (10) Scatchard analyses of binding data obtained with synaptosomal preparations from 17-day-old embryos revealed two T3 binding sites.
  • (11) Suggested is a carefully prepared system of cycling videocassettes, to effect the dissemination of current medical information from leading medical centers to medical and paramedical people in the "bush".
  • (12) Anesthetized sheep (n = 6) previously prepared with a lung lymph fistula underwent 2 hr of tourniquet ischemia of both lower limbs.
  • (13) Platelet-rich plasma (PRP) was prepared, and platelet aggregation studies were conducted directly or conducted on washed platelets prepared from PRP collected with ACD.
  • (14) Immunoblotting with glycoprotein preparations from human eye muscle; 3.
  • (15) Recognition of the distinctive morphology of MH and the performance of ancillary studies on cytologic preparations should facilitate the rapid diagnosis and early treatment of this aggressive disease.
  • (16) To identify the NHE-1 protein and to establish its cellular and subcellular localization in the rabbit kidney, we prepared antibodies to a NHE-1 fusion protein.
  • (17) A cDNA library prepared from human placenta has been screened for sequences coding for factor XIIIa, the enzymatically active subunit of the factor XIII complex that stabilizes blood clots through crosslinking of fibrin molecules.
  • (18) Further purification of ZAB by filtration through Sephadex G-100 gave a preparation (ZAB2) which contained the common antigen as shown by the cross-reactivity of anti-ZAB2 rat serum with seven stains of N. gonorrhoeae.
  • (19) Statistically significant increases of triglycerides occurred under the combined preparations, of phospholipids under Ovosiston and Deposiston and of the beta-lipoproteins under Ovosiston and Gravistat.
  • (20) When you have been out for a month you need to prepare properly before you come back.” Pellegrini will make his own assessment of Kompany’s fitness before deciding whether to play him in the Bournemouth game, which he is careful to stress may not be the foregone conclusion the league table might suggest.