THE CELL
CELL COMMUNICATION
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
regulator T cell
|
|
|
macrophage
|
|
|
helper T cell
|
|
|
cytotoxin T cell
|
Detailed explanation-1: -In adaptive immunity, antigen-presenting cells (APCs) play a crucial role. T-lymphocytes require these to operate properly. B-lymphocytes, macrophages, and dendritic cells are the three primary antigen-presenting cells.
Detailed explanation-2: -Professional APCs include dendritic cells, macrophages, and B cells, whereas nonprofessional APCs that function in antigen presentation for only brief periods include thymic epithelial cells and vascular endothelial cells.
Detailed explanation-3: -The main types of professional antigen-presenting cells are dendritic cells, macrophages and B cells.
Detailed explanation-4: -A type of immune cell that boosts immune responses by showing antigens on its surface to other cells of the immune system. An APC is a type of phagocyte. Also called antigen-presenting cell.