Lymph containing lymphocytes, antigen, and soluble mediators drains from surrounding tissues and enters the lymph nodes via afferent lymphatic vessels. The lymph node consists of a cortex and a medulla. The outermost area of the cortex has B cells organized into lymphoid follicles, and its deep, or paracortical, area consists mainly of T cells and dendritic cells. After B cells encounter antigens for which they have receptors, along with the appropriate T cells, central areas of marked B…
T cells | there also exists a subgroup of t cells known as t helper cells which ...
Differences Between B-Cells and T-Cells. T cells and B cells are the major cellular components of the adaptive immune response. T cells are involved in cell-mediated immunity, whereas B cells are primarily responsible for humoral immunity.
This is a Cell Transport Flow Chart. Materials that move through the cell can use active or passive transport. Passive Transport doesn't use energy such as in osmosis and simple diffusion. Materials go from areas of high concentration to areas of low concentration. Active transport uses energy and goes from low concentrations to high against the gradient. -Enjoy! Science from Murf LLC
Are you sleeping well, but still feeling really fatigued? Your problem might be anemia, which occurs when your body doesn’t make enough red blood cells. These are the cells that bring blood to your organs, and this issue affects about 3.5 million Americans, with the majority being women and more common among seniors because of poor diet or medical conditions. If you have anemia, or suffer from its symptoms, the good news is that your diet can help to turn the condition around.
Frozen in action, killer T cells appear remarkably alive as they attack a cancer cell. Several of the normally round T-cells acquire the elongated shape of active fighters as they subject their target to chemical attack, breaking down the cell membrane. . The Wars Within - Imgur