(n.) One who, or that which, precedes an event, and indicates its approach; a forerunner; a harbinger.
Example Sentences:
(1) After 4 to 6 hours of recirculation, accumulation of vasoactive amine, 5-hydroxytryptamine, its major metabolite, 5-hydroxyindole acetic acid, and its precursor amino acid, tryptophan were detected.
(2) Compound Z has the properties expected of an oxidized MPT precursor.
(3) Moreover in MIT-1, the size of the novel polypeptide was not that predicted of the precursor (44.9 kDa) but was about 39 kDa, the same size as the authentic GS gamma polypeptide in CYT-4.
(4) It is possible that the elements provide common precursor proteins that reach the secretory intermediate lobe cells through their dendritic branches.
(5) The present in vitro studies show that it is found as beta-endorphin in bovine pituitary slices incubated with radioactive amino acid precursor [35S]methionine.
(6) Our study suggests that a major part of the renal antimineralocorticoid activity of spironolactone may be attributable to minor sulfur-containing metabolites or their precursors having a high renal clearance that affords access to their site of activity via the renal tubular fluid.
(7) When an expression vector containing plasminogen cDNA is transfected into baby hamster kidney cells, the number of drug-resistant colonies as well as the levels of plasminogen secreted by those colonies is lower than observed in similar transfections of other protease precursor genes.
(8) These series were prepared by oxidation of the new hydroquinone precursors.
(9) Administration of one of the precursors of noradrenaline l-DOPA not only prevented the decrease in tissue noradrenaline content in myocardium, but restored completely its reserves, exhausted by electrostimulation of the aortic arch.
(10) By 3 d in the chick embryo, the first neurons detected by antibodies to Ng-CAM are located in the ventral neural tube; these precursors of motor neurons emit well-stained fibers to the periphery.
(11) From this proliferating layer, precursor cells migrate outwards to reach the developing neostriatum in a sequential fashion according to two gradients of histogenesis.
(12) If this is what 70s stoners were laughing at, it feels like they’ve already become acquiescent, passive parts of media-relayed consumer society; precursors of the cathode-ray-frazzled pop-culture exegetists of Tarantino and Kevin Smith in the 90s.
(13) Fiber may have a protective role because of its influence on estrogen metabolism and excretion or because of the endocrine effects of the lignans, a family of compounds formed in the intestine from fiber-associated precursors.
(14) Furthermore it is this small compartment that is preferentially radioactively labelled during short-term incubations with radioactively labelled precursors.
(15) One important consequence of the conservative mode of replication is that cellular enzymes never gain access to the reovirus genome but only to its ssRNA precursors.
(16) The results from rabbit experiments suggest that the 12S protein, probably represents a precursor of TG.
(17) In vitro import assays indicate that ATP12 protein is synthesized as a precursor approximately 3 kDa larger than the mature protein.
(18) Tritium-labeled ribonucleic acid precursors, including cytidine, uridine, and orotic acid, were injected into rats with dated pregnancies (14 to 21 days) and virgin rats.
(19) Pulse-chase experiments showed that the ornithine transcarbamylase precursor and the thiolase traveled from the cytosol to the mitochondria with half-lives of less than 5 min, whereas the three fusion proteins traveled with half-lives of 10-15 min.
(20) The results show that centrally administered serotonin, the serotonin precursor, 5-hydroxytryptophan administered with clorgyline, a selective MAO A inhibitor, quipazine, a serotonin receptor agonist, and fluoxetine, a selective inhibitor of neuronal re-uptake of serotonin, attenuated all paradigms of FIA and apomorphine induced potentiation of FIA.
Seed
Definition:
(pl. ) of Seed
(n.) A ripened ovule, consisting of an embryo with one or more integuments, or coverings; as, an apple seed; a currant seed. By germination it produces a new plant.
(n.) Any small seedlike fruit, though it may consist of a pericarp, or even a calyx, as well as the seed proper; as, parsnip seed; thistle seed.
(n.) The generative fluid of the male; semen; sperm; -- not used in the plural.
(n.) That from which anything springs; first principle; original; source; as, the seeds of virtue or vice.
(n.) The principle of production.
(n.) Progeny; offspring; children; descendants; as, the seed of Abraham; the seed of David.
(n.) Race; generation; birth.
(v. t.) To sprinkle with seed; to plant seeds in; to sow; as, to seed a field.
(v. t.) To cover thinly with something scattered; to ornament with seedlike decorations.
Example Sentences:
(1) Thus, a dietary 'no observable effect level' for subchronic ingestion of C. obtusifolia seed in rats was less than 0.15%.
(2) Cells (1 x 10(5)) were seeded in 12- x -75-mm tissue culture tubes and incubated with various doses of IL-1 beta, IL-1 alpha, TNF-alpha, and IFN-gamma, alone or in specific combinations, for 15 min, two, 12, 24, and 72 h. PGE concentrations in the media were measured by radio-immunoassay.
(3) Cissus quadrangularis was mutagenic, while 'decoctions' of cumin seeds, aniseeds and ginger were not.
(4) The major protein component in seeds is storage protein.
(5) He fashioned alliances with France in the 1950s, and planted the seeds for Israel’s embryonic electronics and aircraft industries.
(6) Furthermore, the animals did not increase their intake of sunflower seeds, a preferred diet for hamsters.
(7) Although not yet characterized, glycinin-related genes could encode other glycinin subunit families whose members accumulate in minor amounts in seeds.
(8) A procedure for cultivation of the seed material for biosynthesis of eremomycin providing an increase in the antibiotic yield by 24 per cent was developed.
(9) At 10 weeks only the seeded grafts could be assessed because all of the control grafts had occluded.
(10) Cells dissociated from 6-day rat cerebellum were seeded on glass coverslips coated with polylysine on one half and hyaluronectin on the other.
(11) The observed signals from germinating seeds of Phaseolus aures and decaying leaves of Eucalyptus are presented to show that the signals have characteristic kinetics and intensity.
(12) The accumulation of the mRNA corresponding to a rice high pI alpha-amylase gene, OSamy-c, was stimulated 20-fold by exogenous GA3 in half-seeds lacking embryos.
(13) Previous work from this laboratory had shown that Leguminosa seed extracts contain lectin-bound proteins.
(14) We therefore surveyed patients with Parkinson's disease (PD) regarding early adult consumption of fruits and vegetables usually eaten raw, with seeds that are swallowed or scraped with the teeth.
(15) Y-79 cells, seeded into a Matrigel matrix, form round colonies over a 3-week period similar to those of control, weakly metastatic murine melanoma cells.
(16) During the procedure of coronary artery bypass graft surgery (CABG), the release of free oxygen radicals as a result of ischemia and reperfusion which plants the seeds of post-operative low cardiac output and arrhythmias has grave consequence on the reestablishment of cardiac function.
(17) Production of the vaccine basically consists in the multiplication of the working seed under standardized, well-defined conditions guaranteeing consistency of the vaccine lots.
(18) In cereals and legume seeds the activity of chymotrypsin inhibitors is generally lower than that of the trypsin inhibitors.
(19) The amino acid sequence of the smaller subunit of conglutin gamma, the simplest of the three globulins from the seeds of Lupinus angustifolius cv.
(20) Virus in the seed lot was not identified correctly, and the titer of homologous antiserum was mistakenly considered to be low as a result of neutralization tests conducted with the aggregated virus.