any effect on, interaction with, or response from living tissue.
determination of the biological activity or potency of a substance, as a vitamin or hormone, by testing its effect on the growth of an organism. to subject to a bioassay. noun (ˌbaɪəʊəˈseɪ; -ˈæseɪ) a method of determining the concentration, activity, or effect of a change to substance by testing its effect on a living organism […]
the science dealing with the effects of space travel on life. noun (functioning as sing) the study of the effects of space flight on living organisms See space medicine
an analytical technique in which organic compounds are separated by chromatography and identified by studying their effects on microorganisms.
the extent to which a nutrient or medication can be used by the body. noun the extent to which a drug or other substance is taken up by a specific tissue or organ after administration; the proportion of the dose of a drug that reaches the systemic circulation intact after administration by a route other […]