It is possible for occipital lymph nodes to get infected when fighting against germs. They are responsible for producing lymphocytes or white blood cells that target germs, bacteria and other foreign substances when they get trapped in the nodes. Among these, the occipital lymph nodes are located next to the muscles between the neck and the head.Ĭompared to other types of lymph nodes, the occipital nodes are smaller, bean-like structures. The lymphatic system of the head and neck has different groups of lymph nodes. Sometimes the use of medication may cause lymph nodes to swell up as well. Other infections can include anything from a strep throat, ear infection to mononucleosis or HIV infection. Of these, the most common reason for lymph node swelling is upper respiratory infections like the common cold. Common infections that can bring about lymph node swelling can be bacterial, viral, parasitic and fungal. There is a wide variety of infections that can cause lymph nodes to swell up. There may also be some warmth and tenderness involved in the area. It is easy to identify swollen lymph nodes as they become large in size and experience localized pain. Occasionally, enlarged lymph nodes may be due to cancer. Swollen lymph nodes are a result of either a local or widespread inflammation. The whole system is connected through various lymphatic vessels and nodes where lymph is filtered, cleaned and drained. This fluid contains proteins and fats and also helps in the transportation of fats. Lymph also contains fluid from the intestines called chyle. These cells attack bacteria and foreign substances in the blood. Lymph is a clear fluid that contains white blood cells which have infection fighting potential. These can include swollen occipital lymph nodes behind the skull or the axillary lymph nodes in the armpit. However, even the most superficial nodes only become visible when they get enlarged or inflamed. Lymph nodes are regional and each group correlates to a specific part of the body. Some groups of nodes are located directly under the skin while others are positioned deep inside the body. Areas where the nodes are more noticeable include behind the ear, in the neck, below the chin, in the armpits and the groin area. Lymph nodes are located throughout the body. They are soft and small, oval or round structures which are linked to each other by lymphatic vessels. Normal functioning of the lymphatic system ensures the transportation of lymph throughout the body. This system helps the body get rid of waste, toxins and other unwanted materials. The lymphatic system is a network of lymph nodes, lymphatic vessels and red bone marrow in the body.
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