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玻璃体

玻璃体
人眼的示意图。
标识字符
拉丁文humor vitreus
MeSHD014822
TA98A15.2.06.014、​A15.2.06.008
TA268096814
FMAFMA:67388、​58827
解剖學術語

玻璃体(vitreous body,the vitreous)又称玻璃狀液(vitreous humor),是眼球內 充于晶状体视网膜之间的无色透明胶状物质,含99%的水分,为屈光介质之一,体积约占眼球内腔的4/5。 玻璃体的表面覆盖着玻璃体膜英语Vitreous membrane[1](vitreous membrane,hyaloid membrane)或称玻璃体皮质(vitreous cortex)、透明膜[2],为包在玻璃体周围的一层由胶原纤维形成的透明膜。

玻璃体对视网膜起支撑作用,使视网膜其他层与色素上皮紧贴。支撑作用减弱时,容易导致视网膜脱落;若玻璃体混浊,会影响视力

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玻璃体
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