metaplasia

简明释义

[ˌmetəˈpleɪzɪə][ˌmetəˈpleɪʒə]

n. [医] 化生,[医] 转化;[医] 组织变形

英英释义

Metaplasia is a reversible cellular process in which one differentiated cell type is replaced by another differentiated cell type, often in response to chronic irritation or inflammation.

转化是一种可逆的细胞过程,其中一种分化的细胞类型被另一种分化的细胞类型替代,通常是对慢性刺激或炎症的反应。

单词用法

intestinal metaplasia

肠上皮化生

同义词

transformation

转化

The process of metaplasia can be observed in various tissues.

在不同的组织中可以观察到变性的过程。

metaplasia

变性

Cell transformation is a key concept in understanding cancer development.

细胞转化是理解癌症发展的关键概念。

reprogramming

重编程

Reprogramming of cells can lead to metaplastic changes.

细胞的重编程可能导致变性变化。

反义词

dysplasia

发育异常

Dysplasia is often considered a precancerous condition.

发育异常通常被视为一种癌前状态。

hyperplasia

增生

Hyperplasia can occur in response to hormonal stimulation.

增生可以是对激素刺激的反应。

例句

1.Surgery may relieve the pain associated with endometriosis by removal of ectopic smooth muscle metaplasia and interception of innervation.

外科手术可能通过切除异常的平滑肌组织变形和阻断神经支配来缓解疼痛。

2.Conclusion Hp infection at antrum may be the cause of metaplasia at cardia, and the mechanism may be other ways except the fixture of Hp at cardia.

结论胃窦部Hp感染可能是贲门部化生原因,机制可能是除h p定植于贲门部外的其他途径。

3.Metaplasia of laryngeal respiratory epithelium has occurred here in a smoker.

嗜烟者喉部呼吸道上皮化生。

4.Results There were inflammatory cells infiltration and cilia desquamating and goblet epithelium cells metaplasia in the lung tissues in smoking rats.

结果吸烟大鼠支气管肺组织内出现以淋巴细胞为主的炎症细胞浸润,纤毛脱落,杯状上皮细胞化生。

5.Beyond the well known intestinal metaplasia and chronic gastritis, we found also other atypia or dysplasia.

作者认为,除注意肠上皮化生和萎缩性胃炎等表现外,各种不典型增生现象也很重要。

6.Tubal metaplasia. You look for cilia and stratified but bland nuclei.

输卵管上皮化生:寻找纤毛、复层化但核温和。

7.The pathologist noted signs of metaplasia in the tissue sample, indicating a potential precancerous condition.

病理学家注意到组织样本中有化生的迹象,表明可能存在前癌症状。

8.Chronic irritation can lead to metaplasia in the respiratory epithelium.

慢性刺激可能导致呼吸上皮的化生

9.The presence of metaplasia in the cervical cells was a cause for further examination.

宫颈细胞中存在的化生是进一步检查的原因。

10.Doctors often monitor patients for signs of metaplasia due to its association with cancer risk.

由于与癌症风险相关,医生通常会监测患者是否有化生的迹象。

11.In the case of Barrett's esophagus, metaplasia occurs as a response to chronic acid exposure.

在巴雷特食管的情况下,化生是对慢性酸暴露的反应。

作文

Metaplasia is a fascinating biological process that occurs within the tissues of the body. It refers to the transformation of one type of mature tissue into another type of mature tissue, typically in response to chronic irritation or inflammation. This phenomenon can be observed in various organs and systems, highlighting the body's remarkable ability to adapt to changing environments. For instance, in the respiratory tract, the normal columnar epithelium may undergo metaplasia (转位) and transform into squamous epithelium when exposed to irritants such as smoke or pollutants. This change serves as a protective mechanism, allowing the tissue to better withstand harmful stimuli. However, while metaplasia (转位) can be a beneficial adaptation, it can also lead to complications if the underlying cause of irritation persists. Prolonged exposure to irritants can result in dysplasia, which is an abnormal growth or development of cells, potentially leading to cancer. Therefore, understanding metaplasia (转位) is crucial for medical professionals and researchers alike.The study of metaplasia (转位) is not only important in the context of respiratory health but also plays a significant role in gastroenterology. For example, Barrett's esophagus is a condition in which the normal squamous epithelium of the esophagus undergoes metaplasia (转位) to become columnar epithelium in response to chronic gastroesophageal reflux disease (GERD). This change increases the risk of developing esophageal adenocarcinoma, a type of cancer. Monitoring patients with Barrett's esophagus is essential to detect any early signs of dysplasia or malignancy, emphasizing the need for awareness of metaplasia (转位) in clinical practice.Furthermore, metaplasia (转位) can occur in the bladder as well. In cases of chronic cystitis, the normal transitional epithelium may undergo metaplasia (转位) to form squamous epithelium. This alteration can be a response to chronic inflammation and irritation, often due to recurrent urinary tract infections or exposure to chemicals. Although this change may initially serve to protect the bladder lining, it can also predispose individuals to bladder cancer, underscoring the dual nature of metaplasia (转位) as both a protective response and a potential precursor to malignancy.In summary, metaplasia (转位) is a complex and significant process that reflects the body's ability to adapt to adverse conditions. While it can provide immediate benefits in terms of tissue protection, it also carries the risk of progressing to more severe pathological states. Understanding the mechanisms and implications of metaplasia (转位) is vital for advancing medical knowledge and improving patient outcomes. As research continues to uncover the intricacies of cellular transformation, healthcare providers must remain vigilant in recognizing the signs of metaplasia (转位) and its potential consequences, ensuring timely intervention and management for those affected.