lymph nodes

Lymph nodes are components of the lymphatic system. They are sometimes informally called lymph glands but, as they do not secrete substances, such terminology is not entirely accurate. They are found mostly in the neck area.Lymph nodes are filters or traps for foreign particles and contain white blood cells.
See more at Wikipedia.org...

Lymph nodes Small, bean-shaped masses of tissue scattered along the lymphatic system that act as filters and immune monitors, removing fluids, [more]Lymph nodes - Community and Resources

Small, bean-shaped organs located throughout the lymphatic system. The lymph nodes store special cells that can trap cancer cells or bacteria that are traveling through the body in lymph. Also called lymph glands.