| 单词 | Cellular immune system |
| 释义 |
Cellular immune system
原声例句
战疫特辑 Almost all of the discourse around immunity focuses on just one segment of the immune system, which is antibodies, but there's a whole other deeper section of the immune system known as the T cell or cellular immune system. 几乎所有关于免疫的论述都集中在免疫系统的一个部分，那就是抗体，但在免疫系统中还有一个更深层的部分叫做T细胞或细胞免疫系统。
英语百科
Cell-mediated immunityCell mediated immunity is an immune response that does not involve antibodies, but rather involves the activation of phagocytes, antigen-specific cytotoxic T-lymphocytes, and the release of various cytokines in response to an antigen. Historically, the immune system was separated into two branches: humoral immunity, for which the protective function of immunization could be found in the humor (cell-free bodily fluid or serum) and cellular immunity, for which the protective function of immunization was associated with cells. CD4 cells or helper T cells provide protection against different pathogens. Cytotoxic T cells cause death by apoptosis without using cytokines, therefore in cell-mediated immunity cytokines are not always present. |
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