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pericycle
英音[ ˈperɪsaɪkəl ] 美音[ ˈperɪˌsaɪkl ]
中柱鞘
常用释义
词性释义
n.
[植] 中柱鞘
例句
全部
中柱鞘
Stele
The
vascular
tissue
and
associated
parenchyma
tissue
and
(
if
present) the surrounding
pericycle
and
endodermis
of
a
stem
or
root
.
包括根或茎的维管组织及相关薄壁组织，若有维管束鞘和内皮包被则这二者也属于中柱结构。
The
vascular
bundles
of
the
stem
are
arranged
in
a
ring
within
a single
endodermis
and
pericycle
,
giving a eustele
.
茎内的维管束在皮层和中柱鞘内排列成环状，形成真中柱。
The
xylem
of
the
root
is tetrarch
,
lateral
root
initiate
the
in
metaxylem
radiating
angle
opposite
to
pericycle
cell
.
根木质部为四原型，侧根发生于木质部放射角所对的中柱鞘细胞；
the
pericycle
may
be
constructed
of
a
single
layer
of
cells
sometimes
.
有时中柱鞘是由一层细胞构成的。
there
lies
a
pericycle
in the
inner
bark
of
the
root
.
根的内皮层里是一个中柱鞘。
Equivalence
of
the
Two
Pericycle
Selection
Rules
两个周环反应选择定则的等同性
Tanning
materials
are abundant
in
pericycle
cells
and
phelloderm
cells
;
中柱鞘和栓内层细胞富含单宁类物质；
pericycle
fibers
in
the
stem
were circular
;
茎的中柱鞘纤维成环；
1·The pericycle produces the latent roots and periderm.
由中柱鞘产生侧根及周皮。