V2EX foveal

Foveal

释义 Definition

foveal(形容词):与中央凹(fovea)有关的;发生在视网膜中央凹处的。中央凹是视网膜上负责最清晰中心视觉的区域。(也可指与大脑视觉皮层中相应“凹”状结构相关,但最常见为眼部语境。)

发音 Pronunciation

/fovil/

例句 Examples

The doctor examined her foveal vision.
医生检查了她的中央凹视力。

Because foveal cones are densely packed, the foveal region provides the sharpest detail in daylight vision.
由于中央凹处的视锥细胞分布极为密集,中央凹区域在日间视觉中提供最清晰的细节分辨能力。

词源 Etymology

foveal 来自 fovea(拉丁语 fovea,意为“凹坑、浅坑”),再加上形容词后缀 -al(表示“……的、与……有关的”),字面意思就是“凹处相关的”。在解剖学里用来指视网膜的“中央凹”这一凹陷结构。

相关词 Related Words

文学作品中的用例 Literary Works

foveal 属于偏医学/生理学术语,较少直接出现在传统文学名著中;更常见于科普与认知科学写作。较常被引用的相关非虚构作品包括:

  • Oliver Sacks The Man Who Mistook His Wife for a Hat(讨论视觉与神经心理现象时常涉及中央视觉/周边视觉的概念)
  • Richard L. Gregory Eye and Brain: The Psychology of Seeing(视觉心理学经典著作,常在视网膜与中央凹机制语境中出现该词)
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