Lymph nodes are small glands that filter lymph, the clear fluid that circulates through the lymphatic system. During an infection, they accumulate bacteria or dead or diseased cells and may swell.

and can become swollen if you have an infection in your head or neck. Preauricular lymph nodes are lymphatic structures in ...

Your surgeon might remove some or all of the lymph nodes in your neck. Lymph nodes are small bean shaped glands found throughout the body, including the head and neck. They are part of the lymphatic ...

Lymph nodes are small, round or bean-shaped glands. They remove germs from your body, help fight infection, and trap cancer cells. This surgery is most often done to treat cancer of the head and neck.