(n.) A species of pepper (Piper betle), the leaves of which are chewed, with the areca or betel nut and a little shell lime, by the inhabitants of the East Indies. It is a woody climber with ovate many-nerved leaves.
Example Sentences:
(1) Epidemiologists need to conduct studies to determine if there is an increased likelihood of developing cancer in betel chewing pregnant women and OC users due to increased sensitivity of their lymphocytes to genetic damage compared with nonchewing pregnant women and OC users.
(2) Boric acid, propionic acid and potassium metabisulphite were used for the control of aflatoxin B1 on betel nuts.
(3) The results suggest that formation of reactive oxygen species in the presence of NNN may be a key factor in the initiation of oral tumours in tobacco and betel-quid chewers.
(4) Betel leaf extract at the dose levels used in the present study did not affect the body weight gain among rats.
(5) It was found that among the betel chewers as well as the non betels chewers., the highest caries susceptibility was in the age group of 20-34 years.
(6) Powdered slaked lime applied to the chewed Areca nut with Piper betle inflorescence at the corner of the mouth causes the mean pH to rise to 10, at which reactive oxygen species are generated from betel quid ingredients in vitro.
(7) Moreover both the extracts of betel leaf reduce the mutagenicity of benzo(a)pyrene and dimethylbenzanthracene.
(8) Areca cattechu Linn is commonly known as areca nut or betel nut.
(9) The effect of betel leaf extract and some of its constituents, eugenol, hydroxychavicol, beta-carotene and alpha-tocopherol, on benzo[a]pyrene-induced forestomach neoplasia in male Swiss mice was examined.
(10) The frequency of micronucleated cells (MNC) derived from exfoliated human oral mucosal cells has been measured to assess genotoxic damage in chewers of betel quid with tobacco (BQT) and tobacco with lime (T).
(11) Of seven sources, Banarasi betel leaves showed the maximum amounts of beta-carotene and alpha-tocopherol.
(12) Taken together, the observed pathobiological effects of areca-nut extract and certain related compounds in cultured human buccal epithelial cells indicate that these agents may contribute to the oral carcinogenicity associated with chewing betel quid.
(13) The elevation of MEC in Taiwanese, who are at low risk for oral cancer, is relatively small as compared to that found in chewers of Indian betel quids (pan), who show a highly elevated oral cancer risk.
(14) There is a need for more active and culturally appropriate health education programs to help prevent the negative effects of betel-nut chewing.
(15) DMSO extract of a mixture of tobacco and betel nut positively increased the incidence of early malignant changes in the hamster cheek pouch, indicating the enhancing effect of betel nut in carcinogenesis.
(16) A link between the generation of areca nut-related N-nitrosamines in the saliva, the induction of genotoxic damage in the oral mucosa, as judged by an increase in micronucleated exfoliated cells (MEC), and a low incidence of oral cancer was studied in 2 population groups characterized by their habit of chewing quids without tobacco: Guamanians, who chew areca nuts (Areca catechu) with or without the addition of betel leaf (Piper betle); Taiwanese, who use areca nut, betel leaf or inference and slaked lime.
(17) In addition, she had discontinued chewing betel nut that was used daily by virtually all of her fellow islanders on Yap.
(18) Arecoline, a major betel nut alkaloid, was tested for its effectiveness in inducing micronuclei in fetal mouse blood after transplacental exposure late in the gestation period.
(19) "Municipal officers used to come and demand bribes every month from all the street shops and vendors; I would curse them under my breath but used to pay," said Tara Kant Jha, 46, a street vendor who sells cigarettes and betel leaves – used like chewing tobacco.
(20) (3) Formation of endogenous NOC was assessed by the NPRO test in: (i) subjects living in high- and low-incidence areas for stomach cancer in northern Japan, Costa Rica and Poland; (ii) subjects with different habits of betel-quid chewing and tobacco use; (iii) patients with urinary bladder infections; and (iv) subjects infested with liver fluke in Thailand.
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.