The mechanism of the cytoprotection of atropine is considered to increase gastric barrier mucus and that of humic acid is unknown.

阿托品的细胞保护作用可能与增加胃粘膜屏障粘液量有关，而腐植酸的作用机理尚不清楚。

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METHODS:In restraint water-immersion rats, gastric mucosal lesions, gastric mucosal glutathione (GSH) content, gastric acid secretion and gastric barrier mucus secretion were examined.

方法：利用大鼠浸水应激性胃溃疡模型，观察腹注盐酸半胱氨酸对胃溃疡指数、胃粘膜谷胱甘肽（GSH）含量、胃酸分泌和胃粘液分泌的影响。

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It ACTS as a natural barrier to airborne allergens, forming a colourless, mucus-like gel lining in the nasal tract that ACTS as a filter for dust and germs.

它的作用就像一个防御空气变应原的天然屏障，在鼻道里形成一层无色的、粘液样的、凝胶层，其作用就像一个灰尘和细菌的过滤器。

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The team says the brush layer protects cells from the sticky mucus and acts as a "second barrier" in case viruses or bacteria penetrate the mucus.

BBC: 'Brush' offers clues to fighting lung disease