bioavailability
English edit
Etymology edit
bio- + availability
Noun edit
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 edit
Translations edit
amount of drug which reaches the site of physiological activity after administration
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