These are white blood cells that play a central role in the other major branch of immunity: adaptive immunity.
这些白细胞在免疫的另一个主要分支——适应性免疫中起着核心作用。
Adaptive immunity
原声例句
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TED演讲（音频版） 2021年6月合集
You can think of the immune system in two broad terms, innate immunity and adaptive immunity.
你可以从两个广义的术语来思考免疫系统，先天免疫和适应性免疫。
英语百科
Acquired immune system
![The T lymphocyte activation pathway. T cells contribute to immune defenses in two major ways: some direct and regulate immune responses; others directly attack infected or cancerous cells.[5]](/uploads/202412/17/T_cell_activation.svg4709.png)
![The B lymphocyte activation pathway. B cells function to protect the host by producing antibodies that identify and neutralize foreign objects like bacteria and viruses.[5]](/uploads/202412/17/B_cell_activation.svg4709.png)
The adaptive immune system, also known as the acquired immune system or, more rarely, as the specific immune system, is a subsystem of the overall immune system that is composed of highly specialized, systemic cells and processes that eliminate or prevent pathogen growth. The adaptive immune system is one of the two main immunity strategies found in vertebrates (the other being the innate immune system). Adaptive immunity creates immunological memory after an initial response to a specific pathogen, and leads to an enhanced response to subsequent encounters with that pathogen. This process of acquired immunity is the basis of vaccination. Like the innate system, the adaptive system includes both humoral immunity components and cell-mediated immunity components.