围食膜（peritrophic membrane）是中肠细胞抵御病原微生物入侵的第一道屏障，研究表明微量的几丁质酶能有效阻止围食膜形成或造成围食膜穿孔，其中碱性几丁质酶对...
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Peritrophic membrane is a thin layer membrane in midgut. It is consisted of protein,chitin and other carbonhydrate compounds.
昆虫中肠围食膜主要由蛋白质、几丁质和糖类等组成。
参考来源 - 蜜蜂球囊菌cDNA文库的构建及胞外酶的定性研究Peritrophic membrane (PM) is secreted by midgut cell and separates the food from themidgut epithelium in most but not all insects and it plays key roles in the intestinal biology ofthe insect.
围食膜是大多数昆虫中肠细胞分泌的一层非细胞性薄膜，具有多种功能。
参考来源 - 昆虫围食膜结构、组分及与苦皮藤素V选择毒性关系的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The results showed that narcotic components of the Chinese bittersweet did not destroy the midgut cells but considerably inhibited the secretion of peritrophic membrane.
结果表明，苦皮藤麻醉成分不破坏中肠肠壁细胞，但对围食膜的分泌有显著抑制作用。
It has been confirmed that the destruction of peritrophic membrane contributed to the enhancement of viral infectivity by synergists. Other mechanism related to the enhancement needs further study.
已明确病毒增强素和荧光增白剂增效作用与昆虫围食膜的破坏有关，其他增效机理有待进一步研究。
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