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Retina

释义 Definition

Retina：视网膜。位于眼球后部的一层感光组织，负责把光信号转换为神经信号并传递到大脑，从而形成视觉。（也可引申指与视觉、成像相关的“视网膜层面/像素密度”等概念）

发音 Pronunciation

/rtn/

例句 Examples

The retina detects light and sends signals to the brain.
视网膜感知光线并把信号传递到大脑。

Damage to the retina can cause blurred vision or even blindness if left untreated.
如果不治疗，视网膜受损可能导致视力模糊，甚至失明。

词源 Etymology

Retina 来自拉丁语 rētina，与 rēte（“网”）有关，字面含义指“像网一样的结构”。中文译为“视网膜”，也准确体现了其网状组织形态与视觉功能。

相关词 Related Words

文学作品 Literary Works

H.G. Wells《The Country of the Blind》（《盲人国》）（涉及视觉与失明主题，常出现与“视网膜/视觉机制”相关的表述）
Oliver Sacks《The Man Who Mistook His Wife for a Hat》（《错把太太当帽子的人》）（神经学与视觉知觉案例中常讨论眼部与视觉通路，包括视网膜等概念）

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