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葡萄膜

葡萄膜
眼球水平截面构造图,显示葡萄膜的位置,其包括虹膜、睫状体、脉络膜
标识字符
拉丁文tunica vasculosa bulbi, tunica vasculosa oculi
MeSHD014602
TA98A15.2.03.001
TA26752
FMAFMA:58103
解剖學術語

葡萄膜(Uvea)又称眼球血管膜(vascular tunic)、色素膜,是眼球壁的中间层(外层为纤维膜,内层为神经膜),此膜像紫黑色、又圆又软的葡萄而得名,由疏松结缔组织构成,富含血管和色素,故也叫血管膜或色素膜。它由前部的虹膜、中部的睫状体和后部的脉络膜构成。其主要作用为产生房水、调节眼内压、供给眼球血液营养、排泄废物及有毒物质和遮挡光线作用。

葡萄膜炎可累及葡萄膜的一部分或全部,会迅速损害眼睛,并可引起长期性并发症如青光眼白内障以及视网膜脱离[1]

参考

[编辑]
  1. ^ 葛坚《眼科学》,人民卫生出版社
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葡萄膜
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