局部血液循环障碍 Flashcards

1
Q

慢性肺淤血

A

左心衰竭时发生肺淤血。镜下:肺泡间隔毛细血管扩张淤血而增宽。肺泡腔内水中和有红细胞。肺泡内的红细胞被巨噬细胞吞噬,血红蛋白分解后形成棕黄色的含铁血黄素颗粒 称“心力衰竭细胞”。肺间质的纤维组织增生,质地变硬。

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2
Q

较长时间淤血可以引起什么?

A
淤血性水肿
淤血性出血
组织萎缩、变性及坏死
淤血性硬化
侧支循环的建立
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3
Q

血栓形成的定义

A

在活体的心脏或血管内血液有形成分形咸固体质块的过程。

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4
Q

血栓形成的条件

A

心血管内膜的损伤
血流状态的改变
血液凝固性增加

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5
Q

栓塞的定义

A

循环血液中出现的不溶于血液的异常物质,随血液流动,阻塞管腔。

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6
Q

梗死的定义

A

局部组织、器官由于血流供应迅速中断而引起的缺血性坏死。

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7
Q

贫血性更死又称为

A

白色梗死

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8
Q

出血性梗死又称为

A

红色梗死

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