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Lunula

释义 Definition

lunula（名词）：指指甲根部靠近甲皮处的半月形浅色区域，常见于拇指等；也可泛指形似新月的小结构（较少见的用法）。

发音 Pronunciation

/lunjl/

例句 Examples

The lunula on my thumb is easy to see.
我拇指上的半月痕很明显。

In clinical exams, doctors may note changes in the lunula as one small clue to overall nail health.
在临床检查中，医生可能会记录半月痕的变化，把它作为判断指甲健康状况的一个小线索。

词源 Etymology

来自拉丁语 lunula，意为“小月亮/小新月”，是 luna（月亮）的指小形式；因为该部位外形像半月而得名。

相关词 Related Words

文学与著作 Literary Works

Gray’s Anatomy（《格雷氏解剖学》）
Dorland’s Illustrated Medical Dictionary（《多兰医学词典》）
Robbins & Cotran Pathologic Basis of Disease（《罗宾斯与科特兰病理学基础》）
Oxford Handbook of Clinical Medicine（《牛津临床医学手册》）

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