bioavailability
English
Etymology
bio- + availability
Noun
bioavailability (countable and uncountable, plural bioavailabilities)
- (biology, medicine) The extent to which a substance is molecularly available to cells and tissues in a living organism, which depends on factors such as solubility, pH level, and presence of enzymes and cofactors; for example, even if one's ingestion of vitamin B₁₂ is average/typical, one might nonetheless have B₁₂ deficiency if one has poor metabolism of this particular vitamin.
- (pharmacology, nutrition) The amount of drug or nutrient which reaches the site of physiological activity after administration.
- poor/low oral bioavailability
- (pharmacology, nutrition) The amount of drug or nutrient which reaches the site of physiological activity after administration.
Related terms
Translations
amount of drug which reaches the site of physiological activity after administration
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See also
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