...细胞生长繁殖形成小菌落 （microcolonies）；许多小菌落构成生物膜 ，生物膜通常由多层细菌组成，而且被粘液层 （mucous layer）覆盖。 采用monoaxenic system 鉴定与细菌竞争性根尖定植相关的基因及特性。
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Intestinal mucous layer 肠道黏液层
mucous layer of tympanic membrane 鼓膜粘膜层
mucous gel layer 黏液凝胶层
mucous s layer 粘液层
The oviduct ampulla and isthmus were composed of mucous layer, tunica muscularis and adventitia.
壶腹部和峡部均由黏膜层、肌层和外膜构成。
When the researchers dissected these now susceptible mice, they discovered that the mucous layer that typically lines the gut was only half as thick as in protected mice.
当研究人员解剖这些现存的易感染的小鼠时，他们发现其肠道典型的线性分泌粘液层的厚度仅为受保护小鼠的一半。
The stomach has a relatively large epithelial surface, but because it has a thick mucous layer and the time that the drug remains there is usually relatively short, absorption is limited.
胃具有相对大的上皮表面，但由于它有较厚的粘液层，而且药物在胃内停留的时间相对较短，吸收也较少。
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