pericycle

pericycle

美 ['perəˌsaɪkəl] 　英 ['perəsaɪkl]

• n.【植】中柱鞘
• 网络维管束鞘；周鞘；内鞘

英汉解释

n.

1. 【植】中柱鞘

英英解释

n.	1. the outer layer of plant tissue surrounding the inner core of the roots and stems of plants that conducts moisture and nutrients around the plant

例句

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；