These are the LNs that surround the internal jugular vein's upper part (IJV). It should be highlighted that if the LNs at this level are excised, the submandibular gland should be included in the resected material. ![]() These LNs are located within the triangle formed by the anterior and posterior bellies of the digastric muscle on the inferior side and the body of the mandible on the superior side. These LNs are located within a triangle formed by the anterior belly of the digastric muscles (on both sides) and the hyoid bone on the inferior side. An ear infection, for example, may result in swollen lymph nodes in the ear, but an upper respiratory tract infection may result in swollen lymph nodes in the neck. The location of the swelling is frequently related to the afflicted region. The swelling is caused by immune cell activation in the lymph nodes. When a person gets a brief infection, the lymph nodes may enlarge. Lymph nodes also include immune cells, which aid in the fight against illness by destroying bacteria that have collected in the body's lymph fluid. The lymph nodes filter the fluid and reintroduce it into the circulation, along with salts and proteins. It catches and traps hazardous materials such as germs, viruses, and body waste products while doing so. Lymph fluid circulates throughout the body, entering and exiting lymph nodes before returning to the chest. The following are the primary lymph nodes that individuals may see or feel: There are hundreds of lymph nodes in the human body. The lymph nodes collect and filter fluids, waste products, and potentially hazardous pathogens. In this article, we are going to focus on swollen neck lymph nodes or cervical lymphadenopathy which are classed as one of the most common lymphadenitis. They can swell in response to infections in the areas where they are located. Lymph nodes are located everywhere throughout the body mainly on the neck, the armpits and the fold of the groin. Those nodes can become swollen as a result of infections from bacteria or viruses, though rarely of tumors. In fact, those glands trap invading organisms to stop them from infecting other parts of the body. Therefore, it’s an important part of the immune system. ![]() They store white blood cells that are responsible for the body’s immunity. Lymph nodes are small glands, the size of beans, which filter lymph circulating through the lymphatic system.
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