V2EX agenesis

Agenesis

释义 Definition

(医学)发育缺如;先天性缺失:指某个器官、组织或身体结构在胚胎期未能形成或未能发育出来(与“发育不全”不同,后者是形成了但发育不足)。该词多用于医学影像、遗传学与病理学语境。

发音 Pronunciation

/edniss/

例句 Examples

Agenesis of a kidney can be found on an ultrasound.
超声检查可能发现一侧肾脏先天性发育缺如。

The report described agenesis of the corpus callosum, which may affect motor coordination and learning in some patients.
报告描述了胼胝体发育缺如,这在部分患者中可能影响运动协调与学习能力。

词源 Etymology

源自新拉丁语/医学拉丁语 agenesis,由希腊语前缀 **a-**(“无、缺乏”)+ genesis(“产生、起源、形成”)构成,字面意思即“未形成”。因此它常用来描述“某结构没有发生/没有生成”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Gray’s Anatomy(《格雷氏解剖学》)中在先天结构异常相关章节常见该术语(如某些结构的发育缺如)。
  • Robbins and Cotran Pathologic Basis of Disease(《罗宾斯&科特兰病理学基础》)在先天性疾病与发育异常讨论中使用该词。
  • Nelson Textbook of Pediatrics(《纳尔逊儿科学》)在先天畸形/出生缺陷条目中可见该术语。
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