Lymph nodes are located at the junction of lymphatic vessels in the body. Lymphatic vessels transport fluid containing antigenic material, dendritic cells (DCs), and inflammatory biochemicals from ...

For the first time in decades, researchers have identified a new 'micro-organ' within the immune system -- and they say it's an important step towards understanding how to make better vaccines. For ...

New research has veered away from traditional immunology by turning the spotlight on the structural cells that build and support the immune-rich environment of lymph nodes. Their research shows that ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. palau83/Getty Images A swollen lymph node can be a bit like your body’s version of a red flag: When one of these bean-shaped ...

Lymph nodes can contain large numbers of tuberculosis-causing bacteria and serve as long-term reservoirs of bacterial persistence, according to a study published November 1 in the open-access journal ...

Lymph nodes, hundreds of small structures located throughout the body, play a pivotal role in immunity, including anti-tumor immune responses. White blood cells, also known as lymphocytes, reside in ...

Are intra-mammary lymph nodes problematic? (i.e., can they become cancerous?) -- R.P. ANSWER: Lymph nodes are normal structures and are not problematic themselves. They often become enlarged when ...

Usually, swollen chest lymph nodes are too deep in the chest for a person to feel them. Any swollen lymph nodes in the chest appear on imaging scans. Swelling can indicate an underlying condition.