Cd4 Cell (Noun)
Meaning
T cell with CD4 receptor that recognizes antigens on the surface of a virus-infected cell and secretes lymphokines that stimulate B cells and killer T cells; helper T cells are infected and killed by the AIDS virus.
Classification
Nouns denoting body parts.
Examples
- The CD4 cell is crucial in the body's immune response as it alerts other immune cells to the presence of infection.
- CD4 cells are targeted and destroyed by the HIV virus, leaving the body's immune system weakened and vulnerable to infection.
- In HIV-positive individuals, the CD4 cell count is monitored to assess disease progression and determine the best course of treatment.
- CD4 cells recognize antigens presented by infected cells and activate B cells to produce antibodies, while also recruiting killer T cells to eliminate infected cells.
- The CD4 cell plays a key role in coordinating the immune response to infection, highlighting its importance in maintaining overall health and well-being.