(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.
Shrub
Definition:
(n.) A liquor composed of vegetable acid, especially lemon juice, and sugar, with spirit to preserve it.
(n.) A woody plant of less size than a tree, and usually with several stems from the same root.
(v. t.) To lop; to prune.
Example Sentences:
(1) Close to the smelters tree species accumulated more foliar fluoride than shrub species, which in turn accumulated more foliar fluoride than herb species.
(2) Across this relatively peaceful corner of the Horn of Africa, where black-headed sheep scamper among the thorn bushes, dainty gerenuk balance on their hind legs to nibble from hardy shrubs, and skinny camels wearing rough-hewn bells lumber over rocky slopes, people long accustomed to a harsh environment find they cannot cope after years of below-average rainfall.
(3) I like the challenges that come with those that thrive in such adverse conditions, and there are plenty: woodland species that make the most of what little sunlight hits the leaf litter; ferns that like dripping cave mouths and cliff faces cast in gloom; and small shrubs that eke out a living under bigger things, such as butcher’s broom ( Ruscus aculeatus ) and fragrant sweet box ( sarcoccoca ).
(4) This study investigated the effect of prolonged ingestion of Leucaena leucocephala, a leguminous shrub with a potential as a source of animal feed in Southern Taiwan, by heifers on serum thyroid hormone levels.
(5) The group, which entered through a fence around the Lincolnshire at 8am and included a Catholic priest and an Anglican priest, managed to set up banners and plant a "peace garden" consisting of a number of shrubs before they were arrested.
(6) It is concluded that these goats have a feeding habit similar to that of cattle rather than resting their forelimbs on the shrubs while nibbling the leaves as recorded in Asian goats.
(7) Glia shrubs in the cerebellar cortex appeared to be formed along the apical dendrite of Purkinje cells.
(8) The ACMD report described it as a herbal product made up of the leaves and shoots of the shrub Catha edulis, which releases a mild stimulant after being chewed for about an hour and three quarters.
(9) About half of the species eaten came from the dense herb and shrub layers.
(10) But over in the hospital, beyond the fences and shrubs, there is movement.
(11) According to the Garden Bridge trust, the new crossing would feature not only shrubs, trees, plants, benches and even "intimate walkways", but would also serve as a direct link between the South Bank and Covent Garden and Soho.
(12) Away from the city, green gives way to bush, then desert pockmarked with shrubs.
(13) The most favourable biotope for the circulation of Ixodes ticks, which are the principal vectors of the virus, is provided by the margins of these natural forests and their supplementary shrub communities.
(14) The following risk factors were assessed: black fly bites, presence of rodents at home, exposure to cereal dust, exposure to fumes or dust released by tree and shrub removal, and exposure to insecticides.
(15) I'm in St Ives in Cornwall, strolling around the Barbara Hepworth Sculpture Garden, a thickly growing, almost tropical space where tree, plant, shrub and sculpture live in perfect harmony.
(16) There is a widespread practice among people living in Eastern Africa and Southern Arabia of chewing the leaves of the Khat shrub so as to produce pharmacological effects that are practically indistinguishable from those produced by amphetamine (AMPH).
(17) Herbicides are a heterogeneous class of chemicals used in agriculture, forestry, and urban settings to kill weeds, shrubs, and broad-leaved trees.
(18) Shrubs and trees, especially of the Rosaceae (primarily species of Prunus), were particularly important as nectar sources and bloomed concurrently with the appearance of nulliparous females.
(19) Cathinone is an active ingredient in the leaves of the Khat shrub.
(20) Therefore, during the spring and fall, activities that take place in high-shrub areas or in the woods (e.g., landscaping, trail or brush clearing) involve a high risk of exposure to adult ticks infected with Lyme disease.