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Human defensins,found in the blood,intestinal tract and epithelial cells,are small,cystin-rich cationic peptides with special structure.

人类防御素是一种存在于血液、肠道及表皮细有特殊空间结构,富含氨酸的阳离子多肽。

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Methods Epithelial cells were isolated from sample tissue by cold trypsinization and cultured in serum-free growth medium.

方法 组织块用冷消化法分离出尿路上皮细,培养于无血清生长培养基。

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I myself, prefer to have my excess epithelial cells slough off naturally, but I don't condemn those who seek to accelerate the process.

我倒是宁愿表皮细胞自己慢慢脱落。但我也不责怪那些想加速这一进程的人啊。

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科普小杂文

The only cells it really infects are what we call respiratory epithelial cells, a one-cell layer of cells that kind of protect the breathing tubes and the lungs, all the way down to the bottom, where we have air sacs.

唯一真正受到感染的细胞是我们所说的呼吸上皮细胞,一种保护呼吸管和肺的单细胞,一直到管道底部有气囊的地方。

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Osmosis-解剖与生理

The epithelial cells can absorb these nutrients into the bloodstream, and from there they can go to various tissues around the body.

上皮细胞能将这些营吸收入血,再经血液循环将营运送至全身各种组织。

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Osmosis-消化

When the APC gene is mutated, the epithelial cells start to quickly divide forming polyps.

当APC基因突变时,上皮细胞开始快速增殖,形成息肉。

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Osmosis-心血管

HHV-8 is transmitted through sexual contact, and once in the body, it uses the viral glycoproteins on its envelope to enter a wide variety of cells, such as B cells, endothelial cells, macrophages and epithelial cells.

HHV-8通过性接触传播,一旦进入主体,它会利用囊膜上的病毒糖蛋白进入多种细胞,例如B细胞、皮细胞、巨噬细胞与上皮细胞

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Osmosis-呼吸

In the bronchioles you've got the lumen, the mucosa which includes the inner lining of epithelial cells as well as the lamina propria, and the submucosa which is where the smooth muscle lives.

在细支气管,有腔体、粘膜(包括上皮细胞),以及粘膜下,也就是平滑肌所在的地方。

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Osmosis-泌尿

Whether they bind directly to the GBM, or come from somewhere else, these immune complexes are called subepithelial deposits because they're sandwiched right between the epithelial cells or podocytes, and the GBM.

无论是直接与肾小球基膜结合或从别处而来,这些免疫复合称之为上皮下沉积,因为它们位于足细胞这类上皮细胞和肾小球基膜之间。

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Crash Course 解剖生理学篇

From your stomach on down, though, the inner GI tract is lined with simple columnar epithelial cells, which secrete all sorts of stuff, and which absorb and process various nutrients.

然而,从你的胃开始,侧胃肠道排列着简单的柱状上皮细胞,它们分泌各种东西,吸收和处理各种营

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Osmosis-微生

Although it's not always needed, diagnostic testing for RSV can be done by swabbing epithelial cells in the nasopharynx and looking for the presence of viral antigens.

可以通过擦拭鼻咽部上皮细胞,检查是否存在病毒抗原,但这一检查并不是人人都必要的。

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Osmosis-分泌

The second most common cause is called Conn syndrome and this is where an adenoma or tumor in the glandular epithelial cells secretes too much hormone.

第二常见的原因称为Conn综合征:这是由于起源于腺上皮细胞的腺瘤或肿瘤分泌过多的激素。

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TED-Ed(视频版)

During a yeast infection, discharge may become thicker and whiter because the vagina is shedding more epithelial and Candida cells.

在酵母菌感染期间,由于阴道脱落更多的上皮细胞和念珠菌细胞,分泌可能会变稠变白。

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Osmosis-解剖与生理

The alveolar wall has a completely different structure from the bronchioles - there are no cilia or smooth muscle, and instead the wall is lined by thin epithelial cells called pneumocytes.

肺泡壁与支气管壁结构完全不同,没有纤毛和平滑肌;相反,管壁有大量薄上皮细胞,称为肺泡细胞。

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双语版 TED-Ed 演讲精选

They're incorporated into the epithelial cells lining Elysia's digestive system that branches throughout its flat body.

它们被整合到绿叶海天牛消化系统的上皮细胞中,并广泛分布在它扁平的身体上。

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Osmosis-解剖与生理

These guys can transform into ciliated columnar cells, so they help regenerate and replace damaged ciliated columnar epithelial cells if needed.

它们可以转化为纤毛柱状上皮细胞,必要时可以替代和修复受损的纤毛柱状上皮细胞

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Crash Course 解剖生理学篇

Basal epithelial cells are extremely dynamic and replace the gustatory cells every week or so, which is why even a terribly burned tongue will feel better in a couple of days.

基底上皮细胞非常活跃,大约每周都会更换味觉细胞,这就是为什么即使是严重烫伤的舌头也会在几天感觉好些。

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Osmosis-消化

These epithelial cells produce keratin, a protein that makes the layer tough, and protects against normal wear and tear from food and drinks.

这些上皮细胞产生角,一种让这结构变得坚硬的蛋白,能保护黏膜免受饮食的磨损。

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Osmosis-泌尿

The other way epithelial cells can necrose is via nephrotoxins, which are substances that tend to damage the epithelial tubular cells.

另一种上皮细胞坏死的方式是由于肾毒素,这些往往损坏肾小管上皮细胞。

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Osmosis-微生

The CPE specifically targets the tight junctions that connect epithelial cells lining the intestines to one another.

毒素(CPE)作用于肠上皮细胞之间的紧密连接。

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Crash Course 解剖生理学篇

We also talked about how epithelial cells are polar, having both apical and basal sides, and are selectively permeable, and lastly we took a brief look at how our glandular epithelial tissue forms both out endocrine and exocrine glands.

我们还讨论了上皮细胞是如何极性的,具有顶端和基底两侧,并且具有选择性渗透性,最后我们简要了解了我们的腺上皮组织如何形成分泌腺和外分泌腺。

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Osmosis-消化

It's a normal hyperplastic response, meaning the epithelial cells in the area divide more than usual and build up a protective layer of keratin.

这是一种正常的增生反应,与通常情况下相比,该部位分裂出了更多的上皮细胞,以构筑起一个角保护

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