(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.
Strata
Definition:
(n.) pl. of Stratum.
(pl. ) of Stratum
Example Sentences:
(1) These laminae included the dentate hilus and strata oriens, pyramidale and lacunosum-moleculare of CA1.
(2) High-density lipoprotein cholesterol was increased by 7 and 9 percent by simvastatin and by 17 and 16 percent by gemfibrozil in strata I and II, respectively.
(3) Although their numbers are greatest in the polymorph region of the fascia dentata (FD) and in the principal cell layers stratum pyramidale (SP) and stratum granulosum (SG), GAD immunoreactive (GAD-IR) cells are numerous in other strata that contain mostly dendrites and scattered cells.
(4) in the US the last ten years have witnessed an alarming recrudescence involving vast strata of the population and especially children, although this is masked by the paucity of reports, as is the case also in Italy.
(5) It was hard to understand why the girls would go back and why they couldn’t be saved.” She said she had been disturbed by what they had uncovered during research, what she called an “institutional neglect of a certain strata of society”.
(6) Densities of all synapses in the strata radiatum and lacunosum-moleculare in ethanol-treated group were significantly lower than those of control group on 2, 14, 21 and 70 days.
(7) There were 255 women who delivered term infants with birthweights under the 31st percentile (low birthweight), who were each matched to women who delivered heavier term infants, within ethnic and gestational age strata.
(8) A projection-less strip appears at the expected retinotopic position in both grisea intersecting radially all the strata of the corresponding neuropiles.
(9) This paper emphasizes their practical usefulness in medical sciences and their theoretically close relationship with the problem of simultaneous estimation of parameters, depending on strata.
(10) Lesion of the fimbria-fornix resulted in a reduction of cholinergic input to the hippocampal formation as indicated by the loss of acetylcholinesterase (AChE)-positive staining in all ipsilateral hippocampal laminae and a loss of [3H]hemicholinium-3 binding to cholinergic terminals in the strata oriens (82% reduction) and radiatum (77% reduction) of areas CA2 and CA3 and in the molecular layer of the dentate gyrus (83% reduction).
(11) Three treatment centers were included in the present study to examine these conclusions with other populations containing adolescents, females, and patients from higher socioeconomic strata.
(12) On variables measuring life satisfaction or frequency of contact with relatives, however, the extent of ethnic variation declined across age strata, indicating some support for the "age as leveler" hypothesis.
(13) The histological features of the three deepest strata of the Optic Tectum of Barbus meridionalis were studied with several staining and impregnation techniques.
(14) magazine strata of society that somehow we just didn’t understand,” he says.
(15) Emphasis is given to the influence of heterogeneity in sexual activity and patterns of sexual contact between different strata of the population, and on earlier predictions which suggested that AIDS is capable of reversing the sign of population growth rates over time periods of a few to many decades.
(16) By light microscopy, the majority of varicose processes with intense TH-like immunoreactivity (LI) were contained in the hilus of the dentate gyrus (DG) and strata radiatum and lacunosum-moleculare of the CA3 region of the hippocampus.
(17) Our evidence demonstrates the presence of gap junctions and suggests that the distribution of gap junctions is not homogeneous among the epithelial strata.
(18) Neither did it influence the quantities of major keratinocyte organelles (keratin filaments, desmosomes, ribosomes, mitochondria) in the different epidermal strata.
(19) Stratified blocked randomization will create near balance within strata, but imbalance for the total trial may still occur.
(20) Synaptic input from bipolar cells was seen exclusively near the border between strata 4 and 5.