haemostasis

简明释义

英[ˌhiːməʊˈsteɪsɪs]美[hɪˈmɒstəsɪs]

n. 止血法

英英释义

单词用法

同义词

反义词

例句

1.Platelet is the smallest of blood cells, being only fragments of megakaryocyte cytoplasm, yet they have a critical role in normal haemostasis and are important contributors to thrombotic disorders.

血小板的主要生理功能是参与止血与凝血，临床上血小板在骨髓移植、白血病、肿瘤等病人中大量应用。

2.The following items were investigated: the effective power of haemostasis, operating time, stayearlier out-of-bed activity and median postoperative hospital.

并从止血有效率、手术时间、术后下床活动时间及术后住院天数几方面进行对比分析。

3.The invention is fit for compressing haemostasis to gather the wound and reduce the wound gap, which is fit for most of open surgical wound.

具备清创、镇痛、止血、消炎、生肌、愈 创的功能，适用于大多数开放性外科创伤。

4.A central aspect of this response to damage is the ability to bring bleeding to an end, a process known as haemostasis.

对这种损害的反应，一个核心的方面就是止血能力，我们称此过程为止血法。

5.As a common treatment technique in ent department, nasal cavity packing is often used for haemostasis both in patients with hemorrhinia and postoperative patients with bleeding.

鼻腔填塞是耳鼻喉科常用的治疗技术，鼻出血和鼻部手术后通常都需要采用鼻腔填塞止血。

6.The invention can be extensively applied in nasal cavity haemostasis of department of otorhinolaryngology in hospitals, which has the advantages of simple structure, convenient use, etc.

本发明可以广泛用于医院的耳鼻喉科的鼻腔止血 操作，具有结构简单、使用方便等优点。

7.Yet regulating haemostasis is a complex balancing act.

然而控制止血法这一平衡过程相当复杂。

8.Objective: observe the effects on secretion function of vascular endodermis cell of the ischemia apoplexy rats model by eliminating haemostasis and freeing channels capsule.

目的：观察化瘀通络胶囊对缺血性中风大鼠模型血管内皮细胞分泌功能的影响。

9.Understanding haemostasis is crucial for developing effective treatments for bleeding disorders.

理解止血机制对于开发有效的出血疾病治疗非常重要。

10.The process of haemostasis involves vascular constriction and platelet aggregation.

止血过程包括血管收缩和血小板聚集。

11.Doctors monitor haemostasis during surgery to ensure the patient does not lose too much blood.

医生在手术过程中监测止血情况，以确保病人不会失去过多的血液。

12.A deficiency in haemostasis can lead to conditions like hemophilia.

止血功能不足可能导致如血友病等疾病。

13.The body initiates haemostasis to prevent excessive bleeding after an injury.

身体在受伤后启动止血机制以防止过度出血。

作文

Haemostasis is a critical physiological process that ensures the maintenance of blood in a fluid state within the vascular system while preventing excessive bleeding when injuries occur. The term haemostasis (止血) is derived from the Greek words 'haima' meaning blood and 'stasis' meaning standing still or stopping. This intricate process involves a series of complex interactions between blood vessels, platelets, and various proteins known as clotting factors. Understanding haemostasis (止血) is essential not only for medical professionals but also for anyone interested in human biology and health. The process of haemostasis (止血) can be divided into three main stages: vascular spasm, platelet plug formation, and coagulation. Initially, when a blood vessel is injured, the immediate response is vascular spasm, where the blood vessels constrict to reduce blood flow and limit blood loss. This initial reaction is crucial because it minimizes the amount of blood that escapes from the damaged vessel.Following vascular spasm, the second stage of haemostasis (止血) involves the activation of platelets. Platelets are small cell fragments that play a significant role in the clotting process. When a blood vessel is injured, platelets adhere to the exposed collagen fibers at the site of injury and become activated. Once activated, they change shape and release chemical signals that attract more platelets to the site, forming a temporary 'platelet plug' that helps seal the wound. This stage is vital as it provides a quick, albeit temporary, solution to prevent further blood loss.The final stage of haemostasis (止血) is coagulation, which involves a cascade of biochemical reactions that lead to the formation of a stable blood clot. This process is initiated by the activation of clotting factors, which are proteins present in the blood. These factors work together in a cascade effect, ultimately converting fibrinogen, a soluble plasma protein, into fibrin, an insoluble protein that forms a mesh-like structure around the platelet plug. This fibrin mesh stabilizes the clot and allows for the healing process to begin.While haemostasis (止血) is a vital process for survival, it is important to note that its dysregulation can lead to serious health issues. For instance, excessive haemostasis (止血) can result in thrombosis, where blood clots form inappropriately within blood vessels, potentially leading to conditions such as heart attacks or strokes. Conversely, inadequate haemostasis (止血) can result in excessive bleeding, which can be dangerous and life-threatening. Conditions such as hemophilia, where specific clotting factors are deficient, exemplify the consequences of poor haemostasis (止血). In conclusion, haemostasis (止血) is a vital process that plays a crucial role in maintaining the integrity of the circulatory system. Its ability to balance bleeding and clotting ensures that the body can respond effectively to injuries while preventing the complications associated with excessive bleeding or inappropriate clot formation. A deeper understanding of haemostasis (止血) not only informs medical practices but also enhances our appreciation of the body's remarkable ability to heal and maintain homeostasis.