好词典

macula

UK //ˈmæk.jʊ.lə//US //ˈmæk.jə.lə//

词源

源自拉丁语 'macula',意为斑点、污点或瑕疵,最早用于描述皮肤斑点,17世纪后用于眼科术语。

noun

❶ 视网膜中央的黄色斑点区域,负责高清晰度视觉和颜色感知,是视力最敏锐的部分。

“The macula is essential for activities like reading and recognizing faces.”

(黄斑区对于阅读和识别人脸等活动至关重要。)

“Damage to the macula can lead to severe vision loss.”

(黄斑区受损可能导致严重的视力丧失。)

❶ 皮肤或物体表面的斑点或污点,通常指不规则的深色区域。

“Sun exposure can cause maculae on the skin.”

(阳光照射可能导致皮肤上出现斑点。)

“The ancient manuscript had brown maculae from moisture.”

(这份古老的手稿因潮湿而出现褐色污斑。)

同义词:spot, blemish, stain

常见短语

macular degeneration — 黄斑变性,一种常见的老年性眼病,导致中央视力逐渐丧失。

“My grandmother was diagnosed with age-related macular degeneration.”

(我的祖母被诊断出患有老年性黄斑变性。)

macula lutea — 黄斑的拉丁学名,特指视网膜上富含叶黄素的黄色区域。

“The macula lutea appears yellow due to the presence of lutein.”

(由于含有叶黄素,黄斑区呈现黄色。)