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 ...

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 ...

Swollen lymph nodes, or swollen glands, in the neck may indicate an infection. They can also occur due to a medical condition, such as an immune disorder or, less commonly, cancer. Treatment can ...

Structure of a lymph node (IMAGE) Centro Nacional de Investigaciones Oncológicas (CNIO) Caption Structure of a lymph node whose endothelial cells (green) are capturing the nanovesicles called exosomes ...

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 ...