bioavailability

名词 n.
中文释义

英文释义

名词 n.
  1. 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. countable,uncountable
  2. 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.; The amount of drug or nutrient which reaches the site of physiological activity after administration. countable,uncountable
    — poor/low oral bioavailability

词形变化

bioavailabilities plural

词汇关系

相关词
bioavailable bio-unavailable geoavailability bioactivity

词源

Etymology tree
Proto-Indo-European *gʷeyh₃-der.
Ancient Greek βῐ́ος (bĭ́os)
Ancient Greek βῐο- (bĭo-)der.
English bio-
English availability
English bioavailability
From bio- + availability.
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