(v. i.) To separate and come off in scales or laminae, as pieces of carious bone or of bark.
(v. i.) To split into scales, especially to become converted into scales at the result of heat or decomposition.
(v. t.) To remove scales, laminae, or splinters from the surface of.
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.
Layer
Definition:
(n.) One who, or that which, lays.
(n.) That which is laid; a stratum; a bed; one thickness, course, or fold laid over another; as, a layer of clay or of sand in the earth; a layer of bricks, or of plaster; the layers of an onion.
(n.) A shoot or twig of a plant, not detached from the stock, laid under ground for growth or propagation.
(n.) An artificial oyster bed.
Example Sentences:
(1) By 24 hr, rough endoplasmic reticulum in thecal cells increased from 4.2 to 7% of cell volume, while the amount in granulosa cells increased from less than 3.5% to more than 10%; the quantity remained relatively constant in the theca but declined to prestimulation values in the granulosa layer.
(2) 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.
(3) None of the other soft tissue layers-ameloblasts, stratum intermedium or dental follicle--immunostain for TGF-beta 1.
(4) Adding a layer of private pensions, it was thought, does not involve Government mechanisms and keeps the money in the private sector.
(5) Intraepidermal clefting starts at the junction between the basal and epidermal layers, and later involves all of the levels of the stratum spinosum.
(6) These data suggest that basophilic cell function in the superficial mucous layer in the nose is of greater significance in the development of nasal symptoms in response to nasal allergy than either mucociliary activity or nasal mucosal hypersensitivity to histamine.
(7) Likewise, they had little or no effects on the fluorescence anisotropy of TMA-DPH, which is also thought to be located in the interfacial region of the lipid bilayer, either when the probe was located in the outer layer of the plasma membrane or when the probe was located in the inner membrane compartment.
(8) While the heaviest anterogradely labeled ascending projections were observed to the contralateral ventral posterolateral nucleus of the thalamus, pars oralis (VPLo), efferent projections were also observed to the contralateral ventrolateral thalamic nucleus (VLc) and central lateral (CL) nucleus of the thalamic intralaminar complex, magnocellular (and to a lesser extent parvicellular) red nucleus, nucleus of Darkschewitsch, zona incerta, nucleus of the posterior commissure, lateral intermediate layer and deep layer of the superior colliculus, dorsolateral periaqueductal gray, contralateral nucleus reticularis tegmenti pontis and basilar pontine nuclei (especially dorsal and peduncular), and dorsal (DAO) and medial (MAO) accessory olivary nuclei, ipsilateral lateral (external) cuneate nucleus (LCN) and lateral reticular nucleus (LRN), and to a lesser extent the caudal medial vestibular nucleus (MVN) and caudal nucleus prepositus hypoglossi (NPH), and dorsal medullary raphe.
(9) Separation of PL by thin-layer chromatography revealed a prevalence of phosphatidylcholine followed by phosphatidylethanolamine.
(10) Thin layers of carbon (20 microns) and vacuoles (30 microns) suggested a large temperature gradient along the tissue ablation front.
(11) In cat, DARPP-32-immunoreactive cell bodies identified as Müller cells were demonstrated in the inner nuclear layer (INL) with processes closely surrounding the cell soma of photoreceptors in the outer nuclear layer.
(12) Suspensions of isolated insect flight muscle thick filaments were embedded in layers of vitreous ice and visualized in the electron microscope under liquid nitrogen conditions.
(13) We demonstrated that while the protein was incorporated into the cell layer at 6, 24, 48, and 72 hr, a far greater amount was secreted into the media.
(14) From this proliferating layer, precursor cells migrate outwards to reach the developing neostriatum in a sequential fashion according to two gradients of histogenesis.
(15) In many areas there are additional indications of thalamic terminations in deeper layers.
(16) Their narrowed processes pass at a common site through the muscle layer and above this layer again slightly widen and project above the neighbouring tegument.
(17) One month after unilateral transection of the fimbria-fornix an almost complete lack of cholinergic fibers persists in all layers of the dorsal hippocampus and fascia dentata ipsilateral to the lesion when compared to the contralateral hippocampus or to unlesioned control rats.
(18) After methylene blue, the gradient in resting potential across the circular layer was greatly reduced or abolished.
(19) In contrast, boundary layer diffusion is operative in the release from the matrixes prepared by compression of physical mixtures.
(20) This hydrostatic pressure may well be the driving force for creating channels for acid and pepsin to cross the mucus layer covering the mucosal surface.