Last Updated：2025/11/19
A classification of blood that is based on the presence or absence of antigens in the red blood cells of an individual. For the purposes of blood transfusion three antigens referred to as A
, B
and RhD
(out of a total of 29) are the most important. Based on their presence the human blood can be classified to A, AB, B, and O blood types which are further divided to Rh positive or negative.
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blood type
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Source Word
blood type
Noun
A
classification
of
blood
that
is
based
on
the
presence
or
absence
of
antigens
in
the
red
blood
cells
of
an
individual.
For
the
purposes
of
blood
transfusion
three
antigens
referred
to
as
"A",
"B"
and
"RhD"
(out
of
a
total
of
29)
are
the
most
important.
Based
on
their
presence
the
human
blood
can
be
classified
to
A,
AB,
B,
and
O
blood
types
which
are
further
divided
to
Rh
positive
or
negative.
Japanese Meaning
血液型とは、個人の赤血球に存在する抗原（特にA型、B型、RhD抗原）の有無に基づいて分類される血液の型のこと。一般的にA型、B型、AB型、O型に区分され、さらにRh因子の存在によりRh陽性またはRh陰性に分けられる。
Sense（1）
A
classification
of
blood
that
is
based
on
the
presence
or
absence
of
antigens
in
the
red
blood
cells
of
an
individual.
For
the
purposes
of
blood
transfusion
three
antigens
referred
to
as
"A",
"B"
and
"RhD"
(out
of
a
total
of
29)
are
the
most
important.
Based
on
their
presence
the
human
blood
can
be
classified
to
A,
AB,
B,
and
O
blood
types
which
are
further
divided
to
Rh
positive
or
negative.
（ plural ）
