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root hair zone中文是什么意思
发音:
- 中文翻译
- 造句
- 根毛层
- 根毛区
- root vi. 〔美俚〕应援，声援；支持，赞助；欢呼，喝彩。
- hair n. 1.〔集合词〕毛发，头发，汗毛。 2.毛状物；毛状 ...
- zone n. 1.【地理】(地)带。 2.区域，范围，界。 3. ...
- hair root 毛根; 须根
- root hair 根毛
- root zone 根带，根区; 山根带; 神经根带; 褶皱根带
- average root hair length 根毛平均长
- bending or curling of the root hair 根毛卷曲
- functional root hair 功能根毛
- hair root ending 毛根末梢
- hair root sheath 毛根鞘
- normal hair root 毛发根
- old root hair 老的根毛
- root hair crack 焊缝根部裂纹
- root hair deformation assay 根毛变形试验
- root hair formation 根毛形成
- root hair region 根毛区
- root portion of hair 毛根部
- root sheath of hair 毛根鞘
- root-hair region 根毛区
- single root hair 单个根毛
- total root hair number 总根毛数
- deep-root zone 深陆根带
- deepseated infracrustal root zone 深部内壳根部带
- median root zone 中根带, 卵圆束
- We have observed the following characteristics of anatomical structure and development : ( 1 ) the primary roots belong to archetype and the lateral roots occur in the position toward the xylem of the vascular cylinder ; ( 2 ) the root endodermis consists of thicken casparian strips , and there are from two lo four layers parenchyma cells near the pericycle ; ( 3 ) the pith and resins canals are absent in the toots ; ( 4 ) secondary structure occurs in the root hair zone , and vascular cambium is formed from the parenchyma cells between the primary xylem and primary phloem ; ( 5 ) tanning materials are abundant in pericycle cells and phelloderm cells ; ( 6 ) sclereids are found in secondary phloem , and rays are rather rich in secondary xylem
结果表明：气生不定根具有以下结构特征和发育特点： ( 1 )根为二原型，侧根正对着木质部发生； ( 2 )幼根内皮层细胞具凯氏带加厚，维管柱内紧挨中柱鞘内侧具有2 ~ 4层大型薄壁细胞； ( 2 )根中无髓和树脂道； ( 4 )次生结构发生于根毛区，维管形成层由初生木质部和初生韧皮部之间的薄壁细胞转化形成； ( 5 )中柱鞘和栓内层细胞富含单宁类物质； ( 6 )次生韧皮部有石细胞，次生木质部射线发达。
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Last modified time:Sun, 10 Aug 2025 00:29:56 GMT
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