最終更新日：2025/12/06
(anatomy) Any of numerous venous channels (as the sagittal sinuses, straight sinus, and transverse sinuses) that are situated between the two layers of the dura mater, that have no valves, and that drain blood from the brain and the bones forming the cranium and empty it into the internal jugular vein.
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dural venous sinus
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元となった辞書の項目
dural venous sinus
名詞
(anatomy)
Any
of
numerous
venous
channels
(as
the
sagittal
sinuses,
straight
sinus,
and
transverse
sinuses)
that
are
situated
between
the
two
layers
of
the
dura
mater,
that
have
no
valves,
and
that
drain
blood
from
the
brain
and
the
bones
forming
the
cranium
and
empty
it
into
the
internal
jugular
vein.
日本語の意味
硬膜（のうまく）の二層の間に位置し、弁を持たずに脳および頭蓋骨の骨からの血液を集め、内頸静脈へ排出する静脈の通路、すなわち硬膜静脈洞を指す。
意味（1）
(anatomy)
Any
of
numerous
venous
channels
(as
the
sagittal
sinuses,
straight
sinus,
and
transverse
sinuses)
that
are
situated
between
the
two
layers
of
the
dura
mater,
that
have
no
valves,
and
that
drain
blood
from
the
brain
and
the
bones
forming
the
cranium
and
empty
it
into
the
internal
jugular
vein.
（ plural ）
