Last Updated：2025/11/30
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Koch's postulate states that the microorganism must be found in abundance in all organisms suffering from the disease, but should not be found in healthy organisms.
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Koch's postulate states that the microorganism must be found in abundance in all organisms suffering from the disease, but should not be found in healthy organisms.
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Related words
Koch's postulate
Noun
Any
of
four
criteria
designed
to
establish
a
causative
relationship
between
a
microbe
and
a
disease:
(i)
the
microorganism
must
be
found
in
abundance
in
all
organisms
suffering
from
the
disease,
but
should
not
be
found
in
healthy
organisms;
(ii)
it
must
be
isolated
from
a
diseased
organism
and
grown
in
pure
culture;
(iii)
the
cultured
microorganism
should
cause
disease
when
introduced
into
a
healthy
organism;
(iv)
the
microorganism
must
be
reisolated
from
the
inoculated,
diseased
experimental
host
and
identified
as
being
identical
to
the
original
specific
causative
agent.
Japanese Meaning
コクシの仮説、すなわち微生物と疾患との因果関係を明確にするための4つの条件の一つを指す概念。 / ① 疾患に罹患している生物体には豊富に存在するが、健康な生物体には存在しない微生物が観察されること。 / ② 疾患にかかっている生物体から微生物が分離され、純粋培養が可能であること。 / ③ 純粋培養された微生物を健康な生物体に接種すると、同様の疾患を発症させること。 / ④ 接種後、発症した生物体から再び微生物が分離され、初期に同定された病原体と同一であると確認できること。
Related Words
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