bioavailability meaning

Noun: bioavailability

1. (pharmacology) the amount of drug which reaches the site of physiological activity after administration

Derived forms: bioavailabilities

Encyclopedia: Bioavailability

[Medicine]
The extent to which the active ingredient of a drug dosage form becomes available at the site of drug action or in a biological medium believed to reflect accessibility to a site of action. 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 adj

Examples

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1. aging and bioavailability of ddts in soil
2. study on the bioavailability of heavy metals in digested sludge
3. bioavailability of heavy metals in soil applied with sludge compost
4. relative bioavailability of flunarizine hydrochloride capsules
5. effects of dissolved organic matter and ph on toxicity and bioavailability of lead