Lymph Node Management: Understanding Breast Cancerwhat
Lymph nodes, such as these lymph nodes in the neck inset , are located throughout your body. The inset shows three swollen lymph nodes below the lower jaw. Swollen lymph nodes usually occur as a result of exposure to bacteria or viruses. When swollen lymph nodes are caused by an infection, this is known as lymphadenitis lim-fad-uh-NIE-tis. Rarely, swollen lymph nodes are caused by cancer. Your lymph nodes, also called lymph glands, play a vital role in your body's ability to fight off infections. They function as filters, trapping viruses, bacteria and other causes of illnesses before they can infect other parts of your body.
Lymph nodes are small glands that filter lymph, the clear fluid that circulates through the lymphatic system. They become swollen in response to infection and tumors. Lymphatic fluid circulates through the lymphatic system, which is made of channels throughout your body that are similar to blood vessels. The lymph nodes are glands that store white blood cells. White blood cells are responsible for killing invading organisms. The lymph nodes act like a military checkpoint.
Swollen lymph nodes usually occur as a result of exposure to bacteria or viruses. When swollen lymph nodes are caused by an infection, this is.
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Back to Health A to Z. Swollen glands are a sign the body is fighting an infection. They usually get better by themselves in 2 to 3 weeks. Glands known as lymph glands or lymph nodes swell near an infection to help your body fight it. They can arrange a phone call from a nurse or doctor if you need one.
What’s Causing My Swollen Lymph Nodes?