Last Updated：2025/11/20
(anatomy, immunology) Each of the small oval bodies of the lymphatic system, distributed along the lymphatic vessels, that are clustered in the armpits, groin, neck, chest and abdomen. They act as filters, with an internal honeycomb of connective tissue filled with lymphocytes and macrophages that collect and destroy bacteria, viruses and foreign matter from lymph. When the body is fighting an infection, these lymphocytes multiply rapidly and produce a characteristic swelling of the lymph nodes.
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lymph node
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Source Word
lymph node
Noun
(anatomy,
immunology)
Each
of
the
small
oval
bodies
of
the
lymphatic
system,
distributed
along
the
lymphatic
vessels,
that
are
clustered
in
the
armpits,
groin,
neck,
chest
and
abdomen.
They
act
as
filters,
with
an
internal
honeycomb
of
connective
tissue
filled
with
lymphocytes
and
macrophages
that
collect
and
destroy
bacteria,
viruses
and
foreign
matter
from
lymph.
When
the
body
is
fighting
an
infection,
these
lymphocytes
multiply
rapidly
and
produce
a
characteristic
swelling
of
the
lymph
nodes.
Japanese Meaning
リンパ節：リンパ管に沿って存在する楕円形の小さな組織で、免疫系の一部として、リンパ液を濾過し、細菌やウイルス、異物を捕捉して破壊する役割を果たす。
Sense（1）
(anatomy,
immunology)
Each
of
the
small
oval
bodies
of
the
lymphatic
system,
distributed
along
the
lymphatic
vessels,
that
are
clustered
in
the
armpits,
groin,
neck,
chest
and
abdomen.
They
act
as
filters,
with
an
internal
honeycomb
of
connective
tissue
filled
with
lymphocytes
and
macrophages
that
collect
and
destroy
bacteria,
viruses
and
foreign
matter
from
lymph.
When
the
body
is
fighting
an
infection,
these
lymphocytes
multiply
rapidly
and
produce
a
characteristic
swelling
of
the
lymph
nodes.
（ plural ）
