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leukotaxis是什么意思，leukotaxis翻译
Leukotaxis: The Process of White Blood Cell Migration
Leukotaxis is a vital biological process that plays a significant role in the body's immune response. It refers to the migration of white blood cells, also known as leukocytes, towards sites of infection or injury. This targeted movement is essential for the body's defense mechanism and helps in the fight against pathogens.
The process of leukotaxis is mediated by various chemical signals, including cytokines and chemokines, which are released at the site of infection or injury. These chemical signals act as attractants for leukocytes, guiding them through the bloodstream and toward the affected area. Once these cells reach the site, they can effectively combat the pathogens and promote tissue repair.
There are several steps involved in the process of leukotaxis. The initial step is the detection of the chemical signals by leukocytes. This is followed by the activation of leukocytes, which enables them to change their direction of movement and start migrating towards the source of the signal. The leukocytes then traverse the blood vessels and reach the site of infection or injury.
Once at the site, leukocytes undergo various functions to eliminate the pathogens and promote healing. They can release toxic substances to kill the pathogens, ingest and digest them through a process called phagocytosis, and present fragments of the pathogens to other immune cells to initiate an adaptive immune response. Additionally, leukocytes can also release chemical signals themselves, further amplifying the immune response.
The process of leukotaxis is tightly regulated to ensure an effective and balanced immune response. Dysregulation of leukotaxis can lead to various diseases, including inflammation, autoimmune disorders, and allergies. Therefore, understanding and controlling leukotaxis is crucial for maintaining overall health and well