Lymph nodes are small (about 1-2 centimeters around or the size of a couple of AAA batteries side by side) oval or kidney-shaped structures that are a part of your immune system. They're part of your ...

Swollen lymph nodes in the groin are often caused by infections or injuries affecting the lower body, but they can also be a sign of something more serious. A doctor can help determine the cause and ...

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.

The lymphatic system is a network of tissues and organs that help rid the body of toxins, waste and other unwanted materials. The primary function of the lymphatic system is to transport lymph, a ...