cell-mediated immune response

American  

noun

1. Immunology. an immune response involving the activation of T cells that directly attack infected or abnormal cells and produce cell-mediated immunity.

---

cell-mediated immune response Scientific  

1. An immune response produced when T cells, especially cytotoxic T cells, that are sensitized to foreign antigens attack and lyse target cells. In addition to direct cytotoxicity, T cells can stimulate the production of lymphokines that activate macrophages. Cell-mediated immune responses are important in defense against pathogens, autoimmune diseases, some acquired allergies, and other immune reactions.

---

Example Sentences

Recall that the T cells are involved in the cell-mediated immune response, whereas B cells are part of the humoral immune response.

From Textbooks • Jun. 9, 2022

Figure 33.9 This scanning electron micrograph shows a T lymphocyte, which is responsible for the cell-mediated immune response.

From Textbooks • Jun. 9, 2022

There are two types of adaptive responses: cell-mediated immune response, carried out by T cells, and the humoral immune response, controlled by activated B cells and their production of antibodies.

From Textbooks • Jun. 9, 2022

Delayed hypersensitivity is a cell-mediated immune response that takes approximately one to two days after secondary exposure for a maximal reaction to be observed.

From Textbooks • Jun. 9, 2022

There are two types of adaptive responses: the cell-mediated immune response, which is controlled by activated T cells, and the humoral immune response, which is controlled by activated B cells and antibodies.

From Textbooks • Apr. 25, 2013