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chalazal
合点的
常用释义
词性释义
合点的
卵带的
例句
全部
合点的
The
chalazal
parts
of the
endosperm
containing
free
nuclei
forms
several
lobes
.
包含游离核的合点端胚乳部分形成几个裂片。
Seeds
obovoid
,
base
rostrate
,
apex
retuse,
chalazal
knot
rounded
,
ventral
holes
furrowed
from
base
nearly
to
apex
.
种子倒卵球形,基部具喙,先端微凹,种脐圆形,腹面洞棱槽自基部几乎至先端。
Cell
wall
of the
egg
is
complete
while
cellularization
,
but its
chalazal
part
disappeared
when the
egg
is
mature
.
细胞化胚囊时期的卵细胞具完整壁;卵细胞成熟时,合点端细胞壁消失;
Chalazal
end
of
mature
embryo
sac
is
narrow
and
elongated
.
成熟胚囊的合点端狭长。
Seeds
obovoid
,
apex
rounded
and
retuse
,
chalazal
knot ovate
-
elliptic
,
ventral
holes
obelliptic
.
种子倒卵球形,先端圆形和微凹,种脐卵状椭圆形,腹面洞倒椭圆形。
After
fertilization
,
the
zygote
and
the proembryo
also
lie in
the
chalazal
end
.
受精后,合子和原胚亦位于合点端。
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。
Petals
7-11
mm
;
ovary
pubescent
but
not
white
canescent
;
seeds
with
inconspicuous
chalazal
collar
.
花瓣7-11毫米;子房具短柔毛但不是白色被灰白毛;种子具不明显的合点领。
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。
Chalazal
region
morphology
on the
endotesta
of Magnoliaceous
seeds
and its
systematic
significance
木兰科种子内种皮合点区形态及其系统学意义
1·Chalazal end of mature embryo sac is narrow and elongated.
成熟胚囊的合点端狭长。
网络释义
内脐
...生或半倒生胚珠从 珠柄通到合点的维管 束遗迹 4、
内脐
(
chalazal
)—— 是胚珠时期合点的遗 迹,位于脐条的终 点 部位, …