该情况发生于角膜上皮的完整性受到破坏时。
They occur when there is a breakdown in the integrity of the corneal epithelium.
接着下面是起支持作用的细胞层，叫做视网膜色素上皮(RPE)，它给感光层供给营养并清理其废料。
Underneath is a layer of supporting cells called the retinal pigmented epithelium, or RPE, which nourish the photoreceptors and clean up their waste.
研究主要集中在上皮细胞上，即那些分布在肠道和血管壁的细胞。
The research focused on epithelial cells, the cells that line the gut and blood vessels.
PRK是移除角膜薄的表层(上皮细胞)，然后眼科医生用激光使角膜平坦或弯曲。
PRK removes the thin surface layer of your cornea (epithelium). Your eye surgeon then USES a laser to flatten your cornea or make its curve steeper.
然而越来越多的证据证实呼吸道黏膜上皮细胞在感染和过敏刺激中发挥关键性主动防御作用。
However, growing evidence supports the notion that the respiratory epithelium plays a key role in host responses to infectious and allergenic stimuli.
本文对眼局部生长调控信号的来源、作用和靶组织，以及视网膜色素上皮层在信号传递过程中的作用进行了综述。
This review describes the sources, effect and targets of local growth-regulating signals, and the role of retinal pigment epithelium in relaying retinal growth signals to the choroid and sclera.
最近的研究表明脂质体在转染呼吸道上皮细胞中是有用的。
Recent studies have shown lipoplexes to be useful in transfecting respiratory epithelial cells.
这种组织由构成小肠的各种不同的细胞层组成，包括肌细胞和上皮细胞。
This tissue was composed of the layers of the various cells that make up the intestine -- including muscle cells and the cells that line the inside, known as epithelial cells.
这节生物课的内容是用显微镜观察动物的上皮组织。
The object of this biology class is to observe the epithelial tissue of animals through a microscope.
例如，研究表明，即使是短暂的气味刺激也会导致嗅觉上皮细胞中受体短暂的减少，这个过程被称为“受体疲劳”。
For example, studies show that even brief periods of odorant stimulation produce transient reductions in receptors in the olfactory epithelium, a process termed "receptor fatigue".
真正的上皮组织仅存在于通过称为紧密连接的咬合带而保持在一起的单层细胞中。
A true epithelial tissue is present only in a single layer of cells held together via occluding junctions called tight junctions.
从对人体鼻腔收集到的801项神经活动记录来看，小组人员发现某些区域的嗅上皮细胞比其它区域的对某种气味更具感知能力。
Pooling together 801 neural recordings from people's noses, the team found that some regions of the epithelium are better at detecting scent than other regions.
它在短期能挽救患者的生命，但长期暴露在高氧环境会引起多种细胞的明显损伤，包括肺上皮和内皮细胞。
It saves their life in the short term, but long-term exposure appears to cause significant damage to many cell types including the epithelial and endothelial cells of the lung.
目的：研究视网膜发育过程中血管内皮生长因子（VEGF）和色素上皮衍生因子（PEDF）所起的调节作用及其机制。
Objective:To determine the role of vascular endothelial growth factor(VEGF)and pigment epithelium derived factor(PEDF)in vascularization of the developing retina.
两个孩子不能照射任何的紫外线光，否则他们极容易患上皮肤癌。
The boys could not be exposed to any ultraviolet rays, or they ran the risk of almost certain skin cancer.
为了记忆中的森林永不消失，他几年如一日地穿上皮靴，行走在他深爱的原始森林中。
To keep his own memory connected, for years he daily laced his leather boots and hiked through his beloved Puszcza.
微生态学研究表明益生菌能粘附肠上皮细胞，形成天然生物屏障，显著降低这类疾病的发生率。
Microecologic studies show that probiotics adhering to intestinal mucosal surface could evolve nature biologic barriers to decrease the occurrence rate of diseases caused by pathogens.
飞钓大学开办起来以后，我们不仅要教他们怎么飞钓，还要提供生态旅游的其他方面的培训，比如海上皮划艇、观鸟、浮潜和深海钓鱼。
Once our university is up and running, we'll train them not only how to fly-fish but in other aspects of eco-tourism too, like sea kayaking, bird watching, snorkelling and deep-sea fishing.
津巴布韦钞票是如此的不值钱，以至于有些到银行取款的人要带上皮箱才能将支付一般生活开支的钱取够。
Zimbabwean currency was worth so little that some people withdrawing funds from Banks brought suitcases along, in order to be able to walk away with enough cash to pay for ordinary living expenses.
在安大略省的五英寻国家海洋公园里，一名海上皮划艇运动员在花盆岛周围的岩石间穿行。
A sea kayaker navigates the rocks around Flowerpot Island in Ontario's Fathom Five National Marine Park.
位于隐形眼镜和角膜之间的那层泪膜液体会轻轻移动着这些上皮细胞，暂时形成一个新的眼部结构。
These cells are gently shifted by the fluid - the tear film - between contact lens and cornea, temporarily creating a new structure to the eye.
自体角膜缘上皮移植已在临床上广泛开展并取得良好的疗效。
Clinically, the limbal autografts have been successfully used and proved to be effective.
他匆匆地刷了刷马身上的蓟，放上皮马鞍，往长藓的马耳朵上套上笼头，跨上了马背。
Hastily brushing the thistles from its coat, he laid the leather saddle on its back, pulled the bridle over its mangy ears and heaved himself up.
相关设计元素的名称将是皮肤组名称后加上连字符，然后再加上皮肤类型名称。
The names of relevant design elements will be the skin group name followed by a hyphen followed by the skin type name.
这些上皮细胞的储备细胞是长方体，非纤毛的克拉拉细胞。
The reserve cells of these epithelia are the cuboidal, non-ciliated Clara cells.
因此，就神经上皮肿瘤而言，他们正在寻找此基因的12 bp片段以外的突变。
So, in the case of neuroepithelial neoplasia, he said, they are looking for mutations outside of the 12 base pair segment of the gene.
Lancet杂志阐述说这个研究提供了证据说明极热的液体会引起咽喉上皮层膜组织的损伤并导致癌症，即使实际上这个过程是如何发生的仍旧未能清楚。
The Lancet says the study backed evidence that scorching fluids may cause damage to the throat's epithelial lining and lead to cancer, although exactly how this happens remains unclear.
Lancet杂志阐述说这个研究提供了证据说明极热的液体会引起咽喉上皮层膜组织的损伤并导致癌症，即使实际上这个过程是如何发生的仍旧未能清楚。
The Lancet says the study backed evidence that scorching fluids may cause damage to the throat's epithelial lining and lead to cancer, although exactly how this happens remains unclear.
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