Tissue and CellularInjury第一章
Logo 第 一 章 Tissue and Cellular Injury
Cell and tissue injury当机体内外环境改变超过组织和细胞的适应能力,引起受损细胞和细胞间质发生物质代谢、组织化学、超微结构乃至光镜和肉眼可见的异常变化,称为损伤(injury)NormalcellsirreversibleAdaptationinjuryreversibleinjuryLogo
Logo Cell and tissue injury 当机体内外环境改变超过组织和 细胞的适应能力,引起受损细胞 和细胞间质发生物质代谢、组织 化学、超微结构乃至光镜和肉眼 可见的异常变化,称为损伤 Normal cells irreversible injury reversible injury Adaptation (injury)
Cell and tissue injury---CausesHypoxia医疗2生活方式Chemicalagents动物昆虫卫生行为和病原保健体育锻炼携带者气候娱乐社会2Physicalagents土壤经济大气状况11安全用水Biologicagents生物因素和基本的化学物、卫生设施毒物、物理化学因素社会心理因素人体污染物、5Immunologicreactions药物免疫、遗传宗教信仰、神经内分泌习俗和文化年龄、性别微生物6Geneticdefects和寄生虫自然环境因素食物和营养17-Nutritionalimbalances教育噪声、射线、和职业温度、压力住房、有毒的工作场所、8植物和动物通讯和交通OthersLogo
Logo 1 Hypoxia 3 Physical agents 4 Biologic agents 5 Immunologic reactions 6 Genetic defects 7 Nutritional imbalances 8 Others 2 Chemical agents -Causes Cell and tissue injury
Cell and tissue injury---Mechanisms of cell injuryATP的耗竭(ATPdepletion)线粒体的损伤(Irreversiblemitochondriadamage)膜渗透性的缺陷(Lossofmembranepermeability)细胞内钙的流入和钙内环境稳定的破坏(Overloadofintracellular calcium andloss of calcium homeostasis氧自由基的集聚(Accumulationofoxygen-derivedfreeradicals)Logo
Logo ⚫ ATP的耗竭(ATP depletion) ⚫ 线粒体的损伤(Irreversible mitochondria damage ) ⚫ 膜渗透性的缺陷(Loss of membrane permeability) ⚫ 细胞内钙的流入和钙内环境稳定的破坏(Overload of intracellular calcium and loss of calcium homeostasis) ⚫ 氧自由基的集聚(Accumulation of oxygen-derived free radicals) -Mechanisms of cell injury Cell and tissue injury
Cell and tissue injury--Morphologic changes可逆性损伤reversibleinjury变性Degeneration细胞损伤cellular injury不可逆性损伤irreversibleinjury坏死Necrosis细胞死亡cell death调亡apoptosisLogo
Logo -Morphologic changes 细胞损伤 cellular injury 可逆性损伤 reversible injury 变性 Degeneration 细胞死亡 cell death 不可逆性损伤 irreversible injury 坏死 Necrosis 凋亡 apoptosis Cell and tissue injury