(n.) The act of exposing or laying open, setting forth, laying bare of protection, depriving of care or concealment, or setting out to reprobation or contempt.
(n.) The state of being exposed or laid open or bare; openness to danger; accessibility to anything that may affect, especially detrimentally; as, exposure to observation, to cold, to inconvenience.
(n.) Position as to points of compass, or to influences of climate, etc.
(n.) The exposing of a sensitized plate to the action of light.
Example Sentences:
(1) Assessment of the likelihood of replication in humans has included in vitro exposure of human cells to the potential pesticidal agent.
(2) It is concluded that during exposure to simulated microgravity early signs of osteoporosis occur in the tibial spongiosa and that changes in the spongy matter of tubular bones and vertebrae are similar and systemic.
(3) We conclude that the priming effect is not a clinically significant phenomenon during natural pollen exposure in allergic rhinitis patients.
(4) On the other hand, after exposure to BrdUrd, neuron specific enolase decreased in NB-1 and SK-N-DZ and increased in GOTO.
(5) This difference was abolished by exposure of the slices to propranolol, a beta-adrenergic receptor antagonist.
(6) The amino acid pools in Chinese hamster lung V79 cells were measured as a function of time during hyperthermic exposure at 40.5 degrees and 45.0 degrees C. Sixteen of the 20 protein amino acids were present in sufficient quantity to measure accurately.
(7) Cellular radial expansion was apparently unaffected by exposure to electric fields.
(8) These calves had hemagglutinating antibodies against P. hemolytica before exposure.
(9) When compared with self-reported exposures, the sensitivity of both job-exposure matrices was low (on average, below 0.51), while the specificity was generally high (on average, above 0.90).
(10) External exposures to a contaminated fishing net and fishing boat are considered pathways for fishermen.
(11) In the German Democratic Republic, patients with scleroderma and history of long term silica exposure are recognized as patients with occupational disease even though pneumoconiosis is not clearly demonstrated on X-ray film.
(12) Cancer of the mouth, pharynx and esophagus has decreased in all Japanese migrants, but the decrease is much greater among Okinawan migrants, suggesting they have escaped exposure to risk factors peculiar to the Okinawan environment.
(13) Comprehensive regulations are being developed to limit human exposure to contamination in drinking water by the United States Environmental Protection Agency (EPA) under the authority of the Safe Drinking Water Act (SDWA).
(14) He said: "Monetary policy affects the exchange rate – which in turn can offset or reinforce our exposure to rising import prices.
(15) These data suggest that submaximal exercise and cold air exposure enhance nonspecific bronchial reactivity in asthmatic but not in normal subjects.
(16) We conclude that both exogenously applied PAF by inhalation and antigen exposure are capable of inducing LAR in sensitized guinea pigs, and thus the priming effect of immunization and PAF may contribute to the development of LAR observed in asthma.
(17) Exposure to nanomolar concentrations of saralasin, an Ang II agonist, attenuated the passage of the fluorophores across the monolayers by 50-75%.
(18) Total body dose of 2,4-D was determined in 10 volunteers following exposure to sprayed turf 1 hour following application and in 10 volunteers exposed 24 hours following application.
(19) Protein kinase C (PKC) is activated rapidly and transiently following ionizing radiation exposure and is postulated to activate downstream nuclear signal transducers.
(20) We studied the effect of a 2-hour exposure to 0.6 ppm of ozone on bronchial reactivity in 8 healthy, nonsmoking subjects by measuring the increase in airway resistance (Raw) produced by inhalation of histamine diphosphate aerosol (1.6 per cent, 10 breaths).
Sunburn
Definition:
(v. t.) To burn or discolor by the sun; to tan.
(n.) The burning or discoloration produced on the skin by the heat of the sun; tan.
Example Sentences:
(1) Temperature at 3 PM, sensitive skin type, youthfulness, and being male were also independently associated with sunburn.
(2) Skin diseases of the udder include viral infections, mange, sunburn, wounds, and staphylococcal dermatitis.
(3) A physical grading of some well-known sunburn protectors is described as a guide to the choice of preparation.
(4) A sun protection factor (SPF)-15 and an SPF-30 sunscreen were compared with regard to their ability to prevent sunburn cell formation after the exposure of human skin to a standardized dose of solar-simulated radiation.
(5) The following relative risks were identified: (1) All cases of SCC of the skin and matched controls: agricultural occupation 1.49, history of severe sunburn 1.49.
(6) In all tests, the combination of 7% octyl-dimethyl p-aminobenzoic acid ester and 3% oxybenzone was substantially more effective in protecting against sunburn than any other formula tested, including 5% p-aminobenzoic acid (PABA).
(7) The research, carried out by the British Association of Dermatologists, also revealed that a “shocking” 72% of people admitted having been sunburned in the previous year.
(8) Besides avoiding sunburn, other advice includes spending time in the shade, covering up and using a minimum factor 15 sunscreen.
(9) UVB-augmented release of IL-1-like activity peaked 1 h after irradiation and levels returned to baseline by 2 h. Release of IL-1-like activity from human skin after exposure to UV radiation may account for some of the local and systemic features of the sunburn response.
(10) Persons with skin types I and II were sometimes promised a safe, effective UVA tan that would protect against sunburn.
(11) A tendency to sunburn after 0.5 h midday summer sun exposure increased risk for uveal melanoma (burn with tanning RR = 1.5, P = 0.02; burn with little tanning RR = 1.8, P less than 0.001; burn with no tanning RR = 1.7, P = 0.002); as did exposure to UV or black lights (RR = 3.7, P = 0.003); and welding burn, sunburn of the eye, or snow blindness (RR = 7.2, P less than 0.001).
(12) More than one week later, following another dose of methotrexate, he experienced a second-degree burn in the areas of the prior sunburn, with sparing of chronically exposed areas on his face, neck, and arms.
(13) After all other predictors were controlled for, the body exposure index (which took into account time outside and hat, clothing, and sunscreen coverage) made a strong independent contribution to the explanation of sunburn (P < 0.001).
(14) Secondly, a study in Canadian school children revealed significantly higher naevus counts in subjects with numerous or severe episodes of sunburn in the previous 5 years.
(15) Sunburns in childhood are considered a major risk factor.
(16) The data suggest that ibuprofen is more effective than placebo for the relief of symptoms associated with UV-B-induced inflammation after high dose UV-B phototherapy for psoriasis, but the drug has limited usefulness in the treatment of sunburn reaction from these same doses.
(17) "Everyone can enjoy the sun safely by keeping out of the heat at the hottest time of the day, avoiding sunburn and staying hydrated with plenty of cool drinks.
(18) Telephone survey respondents provided detailed accounts of activities engaged in, time spent outside, and hat, clothing, and sunscreen coverage in the 4 hr around the solar midday on both weekend days, as well as skin type, sociodemographic descriptors, and degree of sunburn experienced.
(19) The purpose of this study was to determine whether topical L-selenomethionine reduces the degree of acute damage to the skin (i.e., sunburn) induced by ultraviolet (UV) irradiation in humans.
(20) The genesis of the tumor is uncertain, however the cutaneous fair complexion, the number and type of pigmented nevei and acute intermittent sun exposure with sunburn may play a significant role in its development.