最終更新日：2024/07/29
(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.
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bioavailability
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bioavailability
noun
(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.
意味（1）
(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.
