In aggressive lymphomas, inflammatory messengers reprogram the “conductors” of the immune system, causing lymph node structure to collapse. A team led by Simon Haas describes in “Nature Cancer” this ...

Tumors, such as melanoma, release nanovesicles called exosomes (gray) that travel and lodge in the lymph nodes. There they corrupt the behavior of lymph cells. The lymphatic vessels (green) branch out ...

Structure of a lymph node showing the typical division into different territories for immune cells: B cells are shown in red, T cells in blue, lymphatic vessels in yellow, and stromal cells in cyan.

Lymph nodes are located throughout the body. They are small, bean-shaped glands that play a crucial role in the immune system. During an infection, a person may notice swollen lymph nodes. The body ...

If you've been hopping between arms for booster shots, a new study suggests that your lymph nodes remember exactly where you first got jabbed and perform far better when you return to that same arm.

If you’ve ever felt swelling on the side of your neck, you probably had swollen glands, also known as swollen lymph nodes. Doctors call it lymphadenopathy. Swollen lymph nodes are a sign that your ...

Lymph nodes are part of the body’s immune system. A swollen lymph node in the armpit may be a sign of a bacterial or viral infection, an injury, or a serious health condition, such as cancer. The ...