V2EX metaplasia

Metaplasia

Definition 释义

化生:在刺激或慢性损伤等因素作用下,某种成熟、分化的细胞类型被另一种成熟细胞类型所替代的适应性改变(常见于上皮组织)。这通常是机体的保护性反应,但在部分情况下与癌变风险增加有关。(该词在不同组织与语境中也可有更具体的分类,如鳞状化生、肠上皮化生等。)

Pronunciation 发音(IPA)

/mtple/

Examples 例句

Chronic smoking can cause metaplasia in the airway lining.
长期吸烟可能导致气道内衬发生化生。

The biopsy showed intestinal metaplasia, suggesting long-term irritation and a need for careful follow-up.
活检显示肠上皮化生,提示长期刺激,并需要密切随访。

Etymology 词源

来自希腊语构词:**meta-**(改变、转变)+ -plasia(形成、生成,源自 plassein “塑造、形成”)。整体含义即“组织/细胞形态或类型的转变性形成”。

Related Words 相关词

Notable Works 作品与文献中的用例

  • Robbins and Cotran Pathologic Basis of Disease(《罗宾斯-科特兰病理学基础》):在“细胞适应与损伤”章节系统讨论化生及其与慢性刺激、肿瘤风险的关系。
  • Harrison’s Principles of Internal Medicine(《哈里森内科学》):在胃食管反流、Barrett 食管等相关内容中涉及(与肠上皮化生相关)。
  • Pathologic Physiology of Disease(《疾病的病理生理学》):常以气道鳞状化生等作为经典例子说明适应性改变。
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