(a.) Of or pertaining to sediment; formed by sediment; containing matter that has subsided.
Example Sentences:
(1) Muramic acid, a component of the muramyl peptide found only in the cell walls of bacteria and blue-green algae, furnishes a measure of detrital or sedimentary procaryotic biomass.
(2) Thus carbon dioxide was taken out of the atmosphere and dumped on the seafloor before being turned into sedimentary rock.
(3) In the Central Valley of California, arsenic is present in soil at naturally high concentrations, being derived from marine sedimentary parent material of the Coastal Range.
(4) Gas-liqid radiochromatography was used to determine the soluble metabolic end products from [U-14C]glucose and a U-14C-labeled amino acid mixture by representative sedimentary clostridial isolates and by natural sediment microbial communities.
(5) This provides a microbial mechanism for the oxidation of the complex assemblage of sedimentary organic matter in Fe(III)- or Mn(IV)-reducing environments.
(6) In the light of these epidemiological observations and experimental studies it may be concluded that, at present, endemic goitre in western Colombia is not due to nutritional iodine deficiency, but that water supplies are contaminated with sulfur-bearing organic compounds with thionamide-like antithyroid activity most probably deriving from sedimentary rocks rich in organic matter and that these compounds are the main factor underlying the endemia.
(7) The effect of Fusarium sporotrichiella v. sporotrichioides mycotoxin (sporofusarin) on the total and non-sedimentary supernatant activity of 13 marker-enzymes of subcellular particles (2 mitochondrial enzymes-cytochrome oxidase and malate dehydrogenase; 8 lysosomal enzymes -- acid phosphatase, acid RNAase, acid DNAase, arylsulphatases A and B, beta-N-acetylglucosaminidase, beta-glucuronidase, beta-galactosidase and beta-glucosidase; 2 microsomal enzymes -- glucose-6-phosphatase and acetylesterase; plasma membrane enzyme -- alkaline phosphatase) of the rat liver, kidney, spleen and bone-marrow was studied in in vivo experiments.
(8) Contributions to PCP loss were determined for rock surface (epilithic), macrophyte surface (epiphytic), sedimentary, and water column communities by measuring rates of PCP disappearance in stream water, containing ambient concentrations of PCP, in contact with representative compartmental samples.
(9) Two other hypotheses regarding the causes of the framentation have been raised: a substantial portion of the breakage in the Krapina collection is attributable to excavation damage; and the rest of the breakage is attributable to sedimentary pressure and to natural rock falls that occurred during the site's prehistory.
(10) A mean tap water 222Rn content of 38.3 Bq L-1 and 10.4 Bq L-1 was measured in 31 villages with a crystalline subsoil and 73 villages with a sedimentary subsoil, respectively.
(11) One significant family of sedimentary lipids of widespread occurrence are series of C28-C32 alkanediols and hydroxyketones.
(12) Immunoglobulin G from the serum of patients with myeloma and positively reacting in the sedimentary test for cancer (PPR-STC) was purified by DEAE-Spehadex A-50 and KM-cellulose chromotography and studied by the method of isoelectrofocusing; Application of 1% ampholine within the pH gradient 3.0-10.0 shows the difference between the isoelectric spectra of immunoglobulin G from the donor and from a patient with myeloma.
(13) The foci were found mainly on Tertiary or Quaternary-Tertiary volcanic rocks in the Eastern and Central zones, or on non-carbonate sedimentary rocks in the Western zone.
(14) A survey of 37 communities supplied by stream water and receiving iodised salt for the last 10-20 years indicates that the presence of sedimentary rocks in the watersheds of streams more closely correlates with goiter prevalence than 12 other possible causative variables.
(15) Similar information on the proteins from the geological matrix might provide useful fingerprints for reconstructing ancient environments and for assessing sedimentary rocks for fossil fuel exploration.
(16) It was calculated that the mean proportion of cadmium in the sedimentary dust was between 13 and 16 p.p.m.
(17) During the hydrolysis of chitin, there was transient accumulation of a non-sedimentary chitin fraction which was not detectable by high-performance liquid chromatography.
(18) The gamma-ray absorbed dose rates in air above igneous rocks generally vary with their silica contents, and with the exception of shale, sedimentary rocks have lower K:U and K:Th ratios than most igneous rocks.
(19) Bones from a stratified sedimentary deposit in the Puu Naio Cave site on Maui, Hawaiian Islands, reveal the late Holocene extinction of 19 species of birds.
(20) Clinical or pathological signs of swine dysentery were not produced, although the organism was readly established in the sedimentary tract.
Stratum
Definition:
(n.) A bed of earth or rock of one kind, formed by natural causes, and consisting usually of a series of layers, which form a rock as it lies between beds of other kinds. Also used figuratively.
(n.) A bed or layer artificially made; a course.
Example Sentences:
(1) None of the other soft tissue layers-ameloblasts, stratum intermedium or dental follicle--immunostain for TGF-beta 1.
(2) Intraepidermal clefting starts at the junction between the basal and epidermal layers, and later involves all of the levels of the stratum spinosum.
(3) After application to the skin, oxiconazole is rapidly absorbed into the stratum corneum, maximum concentrations often being attained within 100 minutes.
(4) The lower lipid content, expressed as weight per unit weight of tissue, in palmo-plantar stratum corneum as compared to non-palmo-plantar stratum corneum may be related to the fact that a larger portion of the intercellular space of the former tissue is occupied by desmosomes.
(5) Emollients can increase the water content in the stratum corneum by delivery of their water to the skin, and by occlusion.
(6) Since DG I belongs to the group of transmembrane desmosomal proteins that is believed to constitute the link between the intracellular parts of desmosomes of opposing cells, it is concluded that desmosomes may play an important role in plantar stratum corneum cell cohesion, and that degradation of desmosomes may be an important step in desquamation in plantar epidermis.
(7) The stratum superficiale consists during this phase of tall columnar cells.
(8) Sheet preparations of the stratum granulosum from the epithelium of the ventral surface of mouse tongue permit examination of cell replacement of this maturation compartment of the tissue.
(9) A less extreme drop occurs in stratum radiatum 0.4 mm from the subiculum border, without obvious histological correlate.
(10) For this purpose, the author relies on the observations of a group of doctors during a 5-year attempt to interest neurotic patients in this stratum in a psycho-therapeutic discussion at a medical ambulant clinic.
(11) However, AGC and AC in their hydrogenated form also caused aggregation and stacking of the stratum corneum lipid liposomes.
(12) 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.
(13) mGluR1 alpha, a 142 kd protein, is enriched within the olfactory bulb, stratum oriens of CA1 and polymorph layer of dentate gyrus in hippocampus, globus pallidus, thalamus, substantia nigra, superior colliculus, and cerebellum.
(14) In an electron microscopic study, we found transitional cells between the stratum granulosum and stratum corneum that were increased in CRP.
(15) Following micropressure application of glutamate (500 microM) in stratum lacunosum-moleculare (L-M), inhibitory postsynaptic potentials (glut-IPSPs) were recorded in CA1 pyramidal cells.
(16) For the skins without stratum corneum, the permeation rates and permeation amounts of l-NG and dl-NG were higher than those for the intact skin (P less than 0.01), but no significant difference was seen between l-NG and dl-NG.
(17) Most of the GABA-negative calretinin-immunoreactive neurons were located in the hilus of the dentate gyrus and in stratum lucidum of the CA3 subfield.
(18) A null zone and associated sudden phase-reversal of RSA were observed in stratum lucidum of CA3.
(19) However, when the stratum corneum was removed by tape stripping, the respective permeability coefficients were increased greater than 30-fold, establishing the stratum corneum as the principal barrier to their skin permeation.
(20) Moisture on the skin was shown to increase the discharge to a standard stimulus, probably by its softening effect on the stratum corneum.