元となった辞書の項目
sieve cell
noun
One
of
the
long,
slender,
conducting
cells
of
the
phloem
that
do
not
form
a
constituent
element
of
a
sieve
tube,
but
which
are
provided
with
relatively
unspecialized
sieve
areas,
especially
in
the
tapering
ends
of
the
cells
that
overlap
those
of
other
sieve
cells.
Sieve
cells
are
typically
associated
with
gymnosperms.
意味（1）
One
of
the
long,
slender,
conducting
cells
of
the
phloem
that
do
not
form
a
constituent
element
of
a
sieve
tube,
but
which
are
provided
with
relatively
unspecialized
sieve
areas,
especially
in
the
tapering
ends
of
the
cells
that
overlap
those
of
other
sieve
cells.
Sieve
cells
are
typically
associated
with
gymnosperms.
