haematopoiesis

简明释义

英[ˌhemətəʊpɔɪˈiːsɪs]美[ˌhemətopɔɪˈisɪs]

n. 造血作用；生血作用（等于 hematopoiesis）

英英释义

单词用法

同义词

反义词

例句

1.Disruptions in haematopoiesis can lead to conditions such as anemia or leukemia.

血细胞生成的中断可能导致贫血或白血病等疾病。

2.Understanding haematopoiesis can help us improve stem cell therapies.

理解血细胞生成可以帮助我们改善干细胞疗法。

3.Bone marrow plays a vital role in haematopoiesis, producing red and white blood cells.

骨髓在血细胞生成中发挥着至关重要的作用，产生红细胞和白细胞。

4.Researchers are studying the factors that influence haematopoiesis to develop new treatments for blood disorders.

研究人员正在研究影响血细胞生成的因素，以开发新的血液疾病治疗方法。

5.The process of haematopoiesis is crucial for maintaining adequate blood cell levels in the body.

血细胞生成的过程对维持体内足够的血细胞水平至关重要。

作文

Haematopoiesis is a vital biological process that refers to the formation and development of blood cells in the body. This complex process occurs primarily in the bone marrow, where hematopoietic stem cells differentiate into various types of blood cells, including red blood cells, white blood cells, and platelets. Understanding haematopoiesis (造血) is crucial for comprehending how our body maintains homeostasis and responds to diseases. The significance of haematopoiesis cannot be overstated. Blood cells play essential roles in transporting oxygen, fighting infections, and clotting blood. Red blood cells are responsible for carrying oxygen from the lungs to other parts of the body, while white blood cells are the body's primary defense against pathogens. Platelets, on the other hand, are crucial for blood clotting, preventing excessive bleeding when injuries occur. Without effective haematopoiesis (造血), the body would struggle to maintain these critical functions, leading to severe health issues.The process of haematopoiesis begins with hematopoietic stem cells, which are undifferentiated cells capable of giving rise to all types of blood cells. These stem cells undergo a series of differentiation stages, influenced by various growth factors and cytokines, ultimately resulting in the formation of mature blood cells. The entire process is tightly regulated to ensure that the body produces the right number of each type of blood cell according to its needs. For instance, during an infection, the body may increase the production of white blood cells to enhance its immune response.Disruptions in haematopoiesis can lead to various blood disorders. Conditions such as anemia, leukemia, and thrombocytopenia arise from abnormalities in blood cell production. Anemia, for example, occurs when there are insufficient red blood cells or hemoglobin, leading to fatigue and weakness. Leukemia, on the other hand, is characterized by an overproduction of abnormal white blood cells, which can interfere with normal blood function and lead to serious health complications. Understanding these disorders requires a solid grasp of the haematopoiesis (造血) process and its regulatory mechanisms.Recent advancements in medical research have shed light on the intricacies of haematopoiesis. Scientists are exploring ways to manipulate hematopoietic stem cells for therapeutic purposes, such as regenerative medicine and cancer treatment. Stem cell transplantation, for instance, has become a crucial treatment option for patients with certain blood disorders, as it can restore healthy blood cell production by replacing damaged or diseased bone marrow.In conclusion, haematopoiesis (造血) is a fundamental biological process that ensures the continuous production of blood cells necessary for life. Its importance in maintaining health and combating diseases underscores the need for ongoing research and understanding of this complex system. As we continue to explore the mechanisms behind haematopoiesis, we may unlock new avenues for treating blood-related disorders and improving overall health outcomes.