![]() The nodes in the neck and behind the ear sit close to the skin, so it is easy to feel them when they are swollen. Source: Cambridge University Hospitals Location and Anatomy of Lymph Nodes Behind the Ear The lymphocytes destroy the pathogens and transform them into waste products that travel through the bloodstream to the kidneys and liver for filtration. When the nodes detect a pathogen, they create more lymphocytes to fight it, which makes them swell. Lymph nodes are the source of lymphocytes, the white blood cells that fight bacteria, viruses and fungi in the body. The function of the lymph nodes is to filter the waste products of the body carried through the lymphatic fluid.īecause of their function, lymph nodes get in contact with bacteria or viruses that can cause them to swell. The lymph nodes form clusters behind the ear, neck and armpit. Lymph nodes are part of the immune system, and hundreds are in the body. What Are Lymph Nodes and Their Functions? ![]() Here is what you need to know about the lymph nodes behind the ear, why they may swell and what to do if you notice a swollen lymph. Always seek the advice of a physician or other qualified healthcare provider with any questions regarding a medical condition.Ī swollen lymph node can indicate an infection and, for the most part, is harmless and painless. If you suffer from any or all of the symptoms mentioned hereunder, we recommend that you consult with your healthcare provider.
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