外皮层

表皮上有根毛，表皮细胞长轴与根圆周垂直，有明显的外皮层和内皮层；

Epidermis has many single cell hairs , i. e. root hairs . The long axes of epidermis cells are vertical to the circumference of root . Exodermis and endodermis exist obviously .

小麦麸皮一般指其籽粒的外皮层和糊粉层。

Wheat bran usually refers to the exodermis and the aleurone layer of the kernel .

单外皮层PES中空纤维气体分离膜制备的研究

Study on the Preparation of Hollow Fiber Membranes with Single External-layer for Gas Separation

这些细胞就在外皮层之下。

These cells are just under the epidermis .

这种蔬菜能保护皮肤外皮层防止它的提早衰老。

This vegetable protects and keeps the outer skin layer and results preventing premature aging .

菌丝在外皮层细胞中形成菌丝结，在内皮层细胞中则被消化，形成扁化、衰败的菌丝或菌丝团块。

The hyphae formed pelotons in SEP cells , but in ICP cells they were digested .

皮层仅由外皮层和内皮层2层细胞构成，细胞大，排列紧密；

Its cortex consisted of only two layers of big and closely aligning cells , exodermis and endodermis .

根表皮脱落时，外皮层以同样生长方式代替脱落的表皮。

The exodermis cell takes the place of epidermis cell with the same way when epidermis fall off .

关于稻根通气组织形成和外皮层边缘厚壁细胞发育的研究

Study on the Formation of Aerenchyma and the Development of the Sclerenchyma on the Edge of Exodermis in Rice Roots

我们发现，绿色和紫色小羽枝都是由角蛋白外皮层包裹由黑色素颗粒堆积而成的髓质层构成。

We found that both green and purple barbules are composed of an outer keratin cortex layer surrounding a medullary layer consisting of randomly dispersed melanin granula .

而且，内侧纹外皮层在心算受到干扰后的激活减弱了，该脑区极有可能也参与了乘法心算，尤其是复杂乘法运算。

Moreover , tasks with disruption also elicited reduced activation in medial extrastriate cortex , which included the possibility that this brain area was also involved in multiplication .

大脑的外皮层叫做脑皮层，脑皮层很薄，有褶皱，是一层由数百万计的神经元组成的灰色组织。

The outside surface of the brain , which is known as the cortex , consists of a thin wrinkled mantle of gray tissue made up of millions of neurons .

该现象在那些与控制思考计划及注意能力相关之脑前部外皮层区域表现最显著；

The delay in ADHD was most prominent in regions at the front of the brain 's outer mantle ( cortex ), important for the ability to control thinking , attention and planning .

外皮层细胞形状，石细胞大小、壁厚，内皮层细胞形状，草酸钙结晶大小及管胞的类型为种间的主要鉴别特征。

The species and varieties can be distinguished obviously by the shape of exodermis cells , the size and thickness of cell wall of the stone cells , the shape of endodermal cells , the size of oxalate crystals and type the of tracheid .