bioavailability

bioavailability
The physiological availability of a given amount of a drug, as distinct from its chemical potency; proportion of the administered dose which is absorbed into the bloodstream.

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bio·avail·abil·i·ty -ə-.vā-lə-'bil-ət-ē n, pl -ties the degree and rate at which a substance (as a drug) is absorbed into a living system or is made available at the site of physiological activity
bio·avail·able -'vā-lə-bəl adj

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n.
the proportion of a drug that is delivered to its site of action in the body. This is usually the amount entering the circulation and may be low when the drugs are given by mouth.

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bio·avail·a·bil·i·ty (bi″o-ə-vāl″ə-bilґĭ-te) the degree to which a drug or other substance becomes available to the target tissue after administration.

Medical dictionary. 2011.

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  • bioavailability — noun Date: 1971 the degree and rate at which a substance (as a drug) is absorbed into a living system or is made available at the site of physiological activity • bioavailable adjective …   New Collegiate Dictionary

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  • bioavailability — bioavailable, adj. /buy oh euh vay leuh bil i tee/, n. Biochem. the extent to which a nutrient or medication can be used by the body. [1965 70; BIO + AVAILABILITY] * * * …   Universalium

  • bioavailability — noun The amount of drug which reaches the site of physiological activity after administration. See Also: bio unavailable …   Wiktionary

  • Bioavailability — Bi|o|a|vail|a|bi|li|ty [baɪɔɔveɪlɔ bɪlɪtɪ; bio ; engl. availability = Verfügbarkeit], die; , …ities: svw. ↑ Bioverfügbarkeit …   Universal-Lexikon

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