bioavailability

bioavailability读音音标

英 [ˌbaɪəʊəˌveɪlə\'bɪlɪtɪ]

美 [ˌbaɪoʊrˌveɪlə\'bɪlɪtɪ]

bioavailability意思解释

n.

（药物或营养素的）生物药效率，生物利用度；

英英释义

In pharmacology, bioavailability (BA) is a subcategory of absorption and is the fraction of an administered dose of unchanged drug that reaches the systemic circulation, one of the principal pharmacokinetic properties of drugs. By definition, when a medication is administered intravenously, its bioavailability is 100%.

双语例句

用作名词(n.)Insufficient time in the GI tract is a common cause of low bioavailability.药物在胃肠道内停留时间不充分是低生物利用度的常见原因。Bioavailability expresses the extent of drug absorption into the systemic circulation.生物利用度表示药物吸收进入体循环的分量。