Swollen Lymph Nodes

Swollen Lymph Nodes Symptoms

Swollen lymph glands are typically a result of local or widespread inflammation, but sometimes enlarged lymph nodes are due to cancer.

Symptoms of swollen lymph nodes include:

  • Swelling
  • Localized pain
  • Warmth in the involved area
  • Tenderness
Picture of Lymph Nodes

What are lymph nodes?

Lymph nodes are an important component of the body's immune system and help in fighting infections.

They are small, soft, round or oval structures that are found throughout the body and are connected to each other in chain-like (lymphatic chains) fashion by channels similar to blood vessels. Each individual lymph node is covered by a capsule made up of connective tissue.

Within the capsule, lymph nodes contain certain kinds of immune cells. These cells are mainly lymphocytes, which produce proteins that capture and fight viruses and other microbes, and macrophages, which destroy and remove the captured material. Continue Reading

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Reviewed on 2/5/2015

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