platelet

简明释义

[ˈpleɪtlət][ˈpleɪtlət]

n. 血小板;薄片

复 数 p l a t e l e t s

英英释义

A small, disc-shaped cell fragment in the blood that helps with clotting.

血液中的一种小型盘状细胞碎片,有助于凝血。

单词用法

platelet aggregation

血小板聚集

blood platelet

n. 血小板;凝血细胞

同义词

thrombocyte

血小板

Thrombocytes are essential for blood clotting.

血小板对血液凝固至关重要。

cell fragment

细胞碎片

Cell fragments play a role in the immune response.

细胞碎片在免疫反应中发挥作用。

反义词

anticoagulant

抗凝剂

The doctor prescribed an anticoagulant to prevent blood clotting.

医生开了一种抗凝剂以防止血液凝固。

hemophilia

血友病

Patients with hemophilia may experience excessive bleeding due to low platelet levels.

患有血友病的患者可能由于血小板水平低而出现过度出血。

例句

1.Platelet aggregation assay was normal.

血小板聚集实验正常。

2.Hyperglycemia contributes to greater platelet reactivity through direct effects and by promoting glycation of platelet proteins.

高血糖症通过直接影响和促进血小板蛋白的糖化从而增强血小板的活性。

3.Thrombocytopathies comprise a poorly defined group of diseases in which platelet Numbers are normal, but their function is impaired.

血小板病包括一些不好界定的疾病——血小板数量是正常的,但它们的功能受损。

4.A very high number of leukemia cells building up in the marrow also can lead to low neutrophil and platelet counts.

骨髓中大量白血病细胞的生成也会造成中性粒细胞和血小板计数的降低。

5.Objective:The primary blood platelet reduction hemacelinosis is one kind of common hemorrhage disease.

原发性血小板减少性紫癜是一种常见的出血疾病。

6.Objective To establish and test method of cryopreserved platelet transportation without power application.

目的建立和测试低温冷冻血小板无电源运输保存技术。

7.Local platelet aggregation is stimulated by ADP with the ultimate formation of the primary platelet plug.

在初步形成的血小板阻塞释放的ADP刺激下,血小板发生聚集。

8.Doctors monitor platelet (血小板) levels during chemotherapy to prevent complications.

医生在化疗期间监测血小板platelets)水平以防止并发症。

9.After the accident, the patient required a transfusion of platelets (血小板) to help with clotting.

事故后,患者需要输注血小板platelets)来帮助凝血。

10.A healthy diet can support the production of platelets (血小板) in the body.

健康的饮食可以支持体内血小板platelets)的生成。

11.The doctor explained that a low count of platelets (血小板) can lead to excessive bleeding.

医生解释说,血小板platelets)数量过低可能导致过度出血。

12.Certain medications can affect the function of platelets (血小板) and increase bleeding risk.

某些药物可能影响血小板platelets)的功能并增加出血风险。

作文

The human body is a complex and intricate system, where each component plays a vital role in maintaining overall health and functionality. One of the key players in this system is the platelet, which is a small, disc-shaped cell fragment that is essential for blood clotting. Understanding the function and importance of platelets can provide insight into how our body responds to injuries and maintains homeostasis.When a blood vessel is injured, the body’s immediate response is to stop the bleeding, a process known as hemostasis. This is where platelets come into action. They are produced in the bone marrow and released into the bloodstream, where they circulate until they are needed. Upon encountering an injury, platelets quickly adhere to the exposed area of the damaged vessel. This adhesion is crucial, as it forms a temporary plug that prevents further blood loss.Once activated, platelets change shape and release various chemical signals that attract more platelets to the site of injury. This aggregation of platelets creates a larger plug that effectively seals the wound. Additionally, platelets release growth factors that aid in the healing process, promoting tissue repair and regeneration.However, while platelets play a protective role in the body, an imbalance in their function can lead to serious health issues. For instance, an excessive number of platelets can lead to thrombosis, a condition where blood clots form inappropriately within blood vessels, potentially causing heart attacks or strokes. Conversely, a low count of platelets, known as thrombocytopenia, can result in excessive bleeding, making even minor injuries dangerous.Research on platelets has advanced significantly in recent years, leading to improved treatments for conditions related to abnormal platelet function. For example, medications such as aspirin are commonly prescribed to inhibit platelet aggregation, thereby reducing the risk of clot formation in patients at high risk of cardiovascular events. On the other hand, treatments for low platelet counts may include transfusions or medications that stimulate platelet production in the bone marrow.In conclusion, platelets are a crucial component of our circulatory system, playing a fundamental role in hemostasis and wound healing. Their ability to rapidly respond to injuries and facilitate recovery is vital for maintaining health. However, understanding the balance of platelets is equally important, as both excess and deficiency can lead to significant health risks. As research continues to uncover the complexities of platelets and their functions, we can expect advancements in medical treatments that will enhance our ability to manage conditions related to platelet dysfunction. The study of these tiny yet powerful cells reminds us of the remarkable efficiency of the human body and the intricate processes that keep us alive and healthy.

人体是一个复杂而精密的系统,每个组成部分在维持整体健康和功能方面都扮演着重要角色。其中一个关键角色是血小板,它是一种小型的盘状细胞碎片,对于血液凝固至关重要。理解血小板的功能和重要性可以帮助我们深入了解身体如何应对伤害并维持体内平衡。当血管受伤时,身体的即时反应是止血,这一过程被称为止血作用。这时血小板便开始发挥作用。它们在骨髓中产生,并释放到血液中,在那里循环直到需要它们。当遇到伤害时,血小板迅速附着在损伤血管的暴露区域。这种附着至关重要,因为它形成了一个临时的堵塞,防止进一步的出血。一旦被激活,血小板会改变形状并释放各种化学信号,吸引更多的血小板到伤口处。这种血小板的聚集形成了一个更大的堵塞,有效地封住了伤口。此外,血小板还释放生长因子,帮助愈合过程,促进组织修复和再生。然而,尽管血小板在身体中发挥着保护作用,但其功能失衡可能导致严重的健康问题。例如,过多的血小板可能导致血栓症,这是一种血液在血管内不适当地形成凝块的情况,可能导致心脏病发作或中风。相反,低数量的血小板,即血小板减少症,可能导致过度出血,使得即使是轻微的伤害也变得危险。近年来,对血小板的研究取得了显著进展,导致改善了与异常血小板功能相关的疾病的治疗。例如,阿司匹林等药物通常被开处方以抑制血小板聚集,从而降低高风险心血管事件患者的凝块形成风险。另一方面,低血小板计数的治疗可能包括输血或刺激骨髓中血小板产生的药物。总之,血小板是我们循环系统中的一个关键组成部分,在止血和伤口愈合中发挥着基本作用。它们快速响应伤害并促进恢复的能力对于维持健康至关重要。然而,理解血小板的平衡同样重要,因为过剩和缺乏都可能导致重大健康风险。随着研究不断揭示血小板及其功能的复杂性,我们可以期待医学治疗的进步,这将增强我们管理与血小板功能障碍相关疾病的能力。对这些微小而强大的细胞的研究提醒我们,人体的效率是多么令人惊叹,以及保持我们生命和健康的复杂过程。