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unit risk
Biology; Toxicology
Upper-bound excess lifetime cancer risk estimated to result from continuous exposure to an agent at a concentration of 1 μg L-1 in water, or 1 μg m-3 in air. Note: The ...
pneumoconiosis
Biology; Toxicology
Usually fibrosis of the lungs that develops owing to (prolonged) inhalation of inorganic or organic dusts. Note: Cause-specific types of pneumoconiosis are: # anthracosis: from ...
temporary acceptable daily intake
Biology; Toxicology
Value for the acceptable daily intake proposed for guidance when data are sufficient to conclude that use of the substance is safe over the relatively short period of time ...
rate ratio in epidemiology (RR)
Biology; Toxicology
Value obtained by dividing the rate in an exposed population by the rate in an unexposed population.
slope factor
Biology; Toxicology
Value, in inverse concentration or dose units, derived from the slope of a dose-response curve; in practice, limited to carcinogenic effects with the curve assumed to be linear at ...
urticaria
Biology; Toxicology
Vascular reaction of the skin marked by the transient appearance of smooth, slightly elevated patches (wheals, hives) that are redder or paler than the surrounding skin and often ...
