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micropylar
珠孔的
常用释义
词性释义
珠孔的
卵膜孔的
例句
全部
Synergid cells
Two
haploid cells
located
near the
egg
cell
at the
micropylar
end
of
the
embryo
sac
in
flowering
plants
.
存在于开花植物胚囊内，是位于珠孔端的卵细胞两侧的两个单倍体细胞。
Seeds
ellipsoid
,
glabrous
,
nearly
without
endosperm
,
with
thickened
tissue
at
micropylar
end
.
种子椭圆形，无毛，近无胚乳，在珠孔端具加厚组织。
Micropylar
collar
,
operculum
and
parenchyma
cells
are
differentiated
at
micropylar
region
.
种子珠孔区分化出珠孔领、孔盖和珠孔区薄壁细胞。
Wall
ingrowths occurred
in
central
cell
at
micropylar
region
near
embryo
sac
wall
.
中央细胞在珠孔端与胚囊壁相邻的部位形成壁内突。
The
haustorium
cellularizated
from
the
micropylar
end
to
chalazal
end
at the
later
globular
stage
.
球形胚晚期吸器自珠孔端向合点端逐渐细胞化。
the
egg
apparatus
lies
in the
chalazal
end
while
the
antipodal
cells
lie
in the
micropylar
end
.
胚囊极性反转，即卵器位于合点端，而反足细胞位于珠孔端。