元となった辞書の項目
dural venous sinus
noun
(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.
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.
